67486 + Interview Questions in Secondary School in Physics Page 1204 InterviewSolution

60151.	State difference between contact force and non-contact force
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/act-1106" style="font-weight:bold;" target="_blank" title="Click to know more about ACT">ACT</a> forcesNon-contact forcesThey can not work from a distance.They can work from a distance as well.Its various types are <a href="https://interviewquestions.tuteehub.com/tag/applied-380664" style="font-weight:bold;" target="_blank" title="Click to know more about APPLIED">APPLIED</a> force, normal force, tension frictional forceits various types are <a href="https://interviewquestions.tuteehub.com/tag/magnetic-551115" style="font-weight:bold;" target="_blank" title="Click to know more about MAGNETIC">MAGNETIC</a> forceelectrostatic force,<a href="https://interviewquestions.tuteehub.com/tag/gravitational-476409" style="font-weight:bold;" target="_blank" title="Click to know more about GRAVITATIONAL">GRAVITATIONAL</a> forc</body></html>

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60152.	(0) (a) 200 mDelhi is at a distance of 200 km from Ambala. A sets out from Ambala at a speed of30 km h-1 and B sets out at the same time from Delhi at a speed of 20 km h-1. They will meeteach other after a time of(6) 3 hours(c) 4 hours(d) 2.5 hours(a) 2 hours
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/10-261113" style="font-weight:bold;" target="_blank" title="Click to know more about 10">10</a> hrsExplanation:they can only meet at the end as each <a href="https://interviewquestions.tuteehub.com/tag/second-1197322" style="font-weight:bold;" target="_blank" title="Click to know more about SECOND">SECOND</a> A is getting further away, so when <a href="https://interviewquestions.tuteehub.com/tag/b-387190" style="font-weight:bold;" target="_blank" title="Click to know more about B">B</a> reaches the end A will already be there</body></html>

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60153.	Where is the use of physics...
Answer» <html><body><p>Physics is used heavily in engineering. For example, statics, a <a href="https://interviewquestions.tuteehub.com/tag/subfield-654373" style="font-weight:bold;" target="_blank" title="Click to know more about SUBFIELD">SUBFIELD</a> of mechanics, is used in the building of bridges and other static <a href="https://interviewquestions.tuteehub.com/tag/structures-17929" style="font-weight:bold;" target="_blank" title="Click to know more about STRUCTURES">STRUCTURES</a>. The <a href="https://interviewquestions.tuteehub.com/tag/understanding-720012" style="font-weight:bold;" target="_blank" title="Click to know more about UNDERSTANDING">UNDERSTANDING</a> and use of acoustics results in sound control and better <a href="https://interviewquestions.tuteehub.com/tag/concert-928265" style="font-weight:bold;" target="_blank" title="Click to know more about CONCERT">CONCERT</a> halls; similarly, the use of <a href="https://interviewquestions.tuteehub.com/tag/optics-22452" style="font-weight:bold;" target="_blank" title="Click to know more about OPTICS">OPTICS</a> creates better optical devices.</p></body></html>

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60154.	4) Find tension between mym, and maand acceleration of blocksLSolution.m2ma
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/acceleration-13745" style="font-weight:bold;" target="_blank" title="Click to know more about ACCELERATION">ACCELERATION</a> = tension - weightIf the acceleration is a= m/s2 then a <a href="https://interviewquestions.tuteehub.com/tag/net-5194" style="font-weight:bold;" target="_blank" title="Click to know more about NET">NET</a> <a href="https://interviewquestions.tuteehub.com/tag/force-22342" style="font-weight:bold;" target="_blank" title="Click to know more about FORCE">FORCE</a>= <a href="https://interviewquestions.tuteehub.com/tag/newtons-578140" style="font-weight:bold;" target="_blank" title="Click to know more about NEWTONS">NEWTONS</a> is required to accelerate <a href="https://interviewquestions.tuteehub.com/tag/themass-3199782" style="font-weight:bold;" target="_blank" title="Click to know more about THEMASS">THEMASS</a>. This requires a tension of T= Newtons</body></html>

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60155.	Checka string hongs with a load ,
Answer» <html><body><p>g is <a href="https://interviewquestions.tuteehub.com/tag/obviously-2203886" style="font-weight:bold;" target="_blank" title="Click to know more about OBVIOUSLY">OBVIOUSLY</a> <a href="https://interviewquestions.tuteehub.com/tag/always-373607" style="font-weight:bold;" target="_blank" title="Click to know more about ALWAYS">ALWAYS</a> <a href="https://interviewquestions.tuteehub.com/tag/tied-7301691" style="font-weight:bold;" target="_blank" title="Click to know more about TIED">TIED</a> with the load in its hongs and the load is tied perfectly so that the load does not <a href="https://interviewquestions.tuteehub.com/tag/get-11812" style="font-weight:bold;" target="_blank" title="Click to know more about GET">GET</a> imbalanced and falls down</p></body></html>

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60156.	2. The smallest unit of matter is b. a molecule3. Which of the states of matter has definite volume?b. liquidsa. an atomand occupiesc. an elementa. solidsc. both solids and liquidsFill in the blanks.1. Matter has2. In solids, the molecules arehas neither a definite shape nor a definite volume.4. Intermolecular space in solids is5. In gases, molecules move with an average speed of3. A..
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/yes-749457" style="font-weight:bold;" target="_blank" title="Click to know more about YES">YES</a> the <a href="https://interviewquestions.tuteehub.com/tag/smallest-646176" style="font-weight:bold;" target="_blank" title="Click to know more about SMALLEST">SMALLEST</a> <a href="https://interviewquestions.tuteehub.com/tag/unit-1438166" style="font-weight:bold;" target="_blank" title="Click to know more about UNIT">UNIT</a> of <a href="https://interviewquestions.tuteehub.com/tag/matter-22749" style="font-weight:bold;" target="_blank" title="Click to know more about MATTER">MATTER</a> is <a href="https://interviewquestions.tuteehub.com/tag/atom-887280" style="font-weight:bold;" target="_blank" title="Click to know more about ATOM">ATOM</a></body></html>

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60157.	What do you mean by valency of an atom? Write the valencies of sodium, chlorine, magnesium? (Atomic number for Cl=17, Na=11, Mg=12).
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/tion-1420808" style="font-weight:bold;" target="_blank" title="Click to know more about TION">TION</a>:<a href="https://interviewquestions.tuteehub.com/tag/valency-724638" style="font-weight:bold;" target="_blank" title="Click to know more about VALENCY">VALENCY</a> is the combining power of an element. The valency of an element is related to how many <a href="https://interviewquestions.tuteehub.com/tag/electrons-969138" style="font-weight:bold;" target="_blank" title="Click to know more about ELECTRONS">ELECTRONS</a> are in the outer shell.</body></html>

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60158.	A ball is throw vertically upawards and its its reaches a height of 90m find the velocity with which it was thrown
Answer» <html><body><p>all is thrown vertically upward a=-g Using v^2-u^2=2asWe can say that -u^2=2(-g)s because in vertically projected <a href="https://interviewquestions.tuteehub.com/tag/body-900196" style="font-weight:bold;" target="_blank" title="Click to know more about BODY">BODY</a> v=0Substituting value we getu^2=2<a href="https://interviewquestions.tuteehub.com/tag/10-261113" style="font-weight:bold;" target="_blank" title="Click to know more about 10">10</a><a href="https://interviewquestions.tuteehub.com/tag/90-341351" style="font-weight:bold;" target="_blank" title="Click to know more about 90">90</a> (taking g as 10)u^2=1800u=42 ( approximately)Hope it <a href="https://interviewquestions.tuteehub.com/tag/helps-1018140" style="font-weight:bold;" target="_blank" title="Click to know more about HELPS">HELPS</a> pls mark brainliest</p></body></html>

Discussion

60159.	a body is dubjected to three concurrent forces cannot be in equilibrium reason - if large number of concurrent force acting on the same point then the point will be in equilibrium if sum of all forces is = 0 . Justify
Answer» <html><body><p>nkughe/hfnifwF?<a href="https://interviewquestions.tuteehub.com/tag/nhv-1109327" style="font-weight:bold;" target="_blank" title="Click to know more about NHV">NHV</a> dvbugjbffebfhgh/hfnbfeoufhfinbdvhyfhjuueijurboinvihbinhhddjdwwj.nhefhfjfhhfirshhfhieeh9m;jmrw'je;/78Explanation:</p></body></html>

Discussion

60160.	Derive the eqution for the motion of car on a banked road
Answer» <html><body><p>A banked surface is one where the surface is not <a href="https://interviewquestions.tuteehub.com/tag/flat-992377" style="font-weight:bold;" target="_blank" title="Click to know more about FLAT">FLAT</a>. <a href="https://interviewquestions.tuteehub.com/tag/engineers-971940" style="font-weight:bold;" target="_blank" title="Click to know more about ENGINEERS">ENGINEERS</a> design roads to be banked when the road is curved and vehicles are going to be traveling at significant speeds around the <a href="https://interviewquestions.tuteehub.com/tag/curve-941741" style="font-weight:bold;" target="_blank" title="Click to know more about CURVE">CURVE</a>. Any mass that moves in a circular path undergoes centripetal <a href="https://interviewquestions.tuteehub.com/tag/acceleration-13745" style="font-weight:bold;" target="_blank" title="Click to know more about ACCELERATION">ACCELERATION</a>, which is equal to v2/R.</p></body></html>

Discussion

60161.	Particle moves along curve x2/9 +y2/4=1 with constantspeed v. Express the velocity vectorially as function ofx and y
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/hopefully-7686435" style="font-weight:bold;" target="_blank" title="Click to know more about HOPEFULLY">HOPEFULLY</a>, my <a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a> will <a href="https://interviewquestions.tuteehub.com/tag/help-1018089" style="font-weight:bold;" target="_blank" title="Click to know more about HELP">HELP</a> you out....<a href="https://interviewquestions.tuteehub.com/tag/please-601513" style="font-weight:bold;" target="_blank" title="Click to know more about PLEASE">PLEASE</a> <a href="https://interviewquestions.tuteehub.com/tag/mark-555248" style="font-weight:bold;" target="_blank" title="Click to know more about MARK">MARK</a> this answer as the brainliestExplanation:</body></html>

Discussion

60162.	Explain the different types of effect shown in electrical current
Answer» <html><body><p>The <a href="https://interviewquestions.tuteehub.com/tag/current-940804" style="font-weight:bold;" target="_blank" title="Click to know more about CURRENT">CURRENT</a> <a href="https://interviewquestions.tuteehub.com/tag/density-17451" style="font-weight:bold;" target="_blank" title="Click to know more about DENSITY">DENSITY</a> is the amount of charge per <a href="https://interviewquestions.tuteehub.com/tag/unit-1438166" style="font-weight:bold;" target="_blank" title="Click to know more about UNIT">UNIT</a>.</p></body></html>

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60163.	So yu wont allow us to see answer without installation app?
Answer» <html><body><p>yes , they are not <a href="https://interviewquestions.tuteehub.com/tag/allowing-7260712" style="font-weight:bold;" target="_blank" title="Click to know more about ALLOWING">ALLOWING</a> us to se <a href="https://interviewquestions.tuteehub.com/tag/answerswhat-1980515" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWERSWHAT">ANSWERSWHAT</a>'s the <a href="https://interviewquestions.tuteehub.com/tag/nonsense-580746" style="font-weight:bold;" target="_blank" title="Click to know more about NONSENSE">NONSENSE</a></p></body></html>

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60164.	Interia of a body is depens onthe following is
Answer» <html><body><p>The <a href="https://interviewquestions.tuteehub.com/tag/moment-25786" style="font-weight:bold;" target="_blank" title="Click to know more about MOMENT">MOMENT</a> of <a href="https://interviewquestions.tuteehub.com/tag/inertia-1043176" style="font-weight:bold;" target="_blank" title="Click to know more about INERTIA">INERTIA</a> <a href="https://interviewquestions.tuteehub.com/tag/depends-948548" style="font-weight:bold;" target="_blank" title="Click to know more about DEPENDS">DEPENDS</a> on the following <a href="https://interviewquestions.tuteehub.com/tag/factors-458933" style="font-weight:bold;" target="_blank" title="Click to know more about FACTORS">FACTORS</a> .The density of the material ,shape and size of the body .Axis of rotation (distribution of mass <a href="https://interviewquestions.tuteehub.com/tag/relative-1183377" style="font-weight:bold;" target="_blank" title="Click to know more about RELATIVE">RELATIVE</a> to the axis)</p></body></html>

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60165.	Intrinsic semiconductors are those a(Which are made of semiconductor material in its purest formb(Which have zero energy gapc(Which have more electrons than holesd(Which are available locally
Answer» <html><body><p>A , <a href="https://interviewquestions.tuteehub.com/tag/option-25810" style="font-weight:bold;" target="_blank" title="Click to know more about OPTION">OPTION</a> is <a href="https://interviewquestions.tuteehub.com/tag/correct-409949" style="font-weight:bold;" target="_blank" title="Click to know more about CORRECT">CORRECT</a> <a href="https://interviewquestions.tuteehub.com/tag/answer-15557" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWER">ANSWER</a></p></body></html>

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60166.	अव्ययाचा प्रकार ओळखा. 1 हळूहळू. 2 अवयव
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/tion-1420808" style="font-weight:bold;" target="_blank" title="Click to know more about TION">TION</a>:<a href="https://interviewquestions.tuteehub.com/tag/sorry-648642" style="font-weight:bold;" target="_blank" title="Click to know more about SORRY">SORRY</a> I can't <a href="https://interviewquestions.tuteehub.com/tag/understand-720010" style="font-weight:bold;" target="_blank" title="Click to know more about UNDERSTAND">UNDERSTAND</a> <a href="https://interviewquestions.tuteehub.com/tag/hindi-1684" style="font-weight:bold;" target="_blank" title="Click to know more about HINDI">HINDI</a></body></html>

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60167.	Name two measurable properties of the gases.
Answer» <html><body><p>Besides pressure, denoted in equations as P, <a href="https://interviewquestions.tuteehub.com/tag/gases-13668" style="font-weight:bold;" target="_blank" title="Click to know more about GASES">GASES</a> have other measurable properties: temperature (T), volume (V) and <a href="https://interviewquestions.tuteehub.com/tag/number-582134" style="font-weight:bold;" target="_blank" title="Click to know more about NUMBER">NUMBER</a> of <a href="https://interviewquestions.tuteehub.com/tag/particles-1147533" style="font-weight:bold;" target="_blank" title="Click to know more about PARTICLES">PARTICLES</a>, which is expressed in a mole number (n or mol). In work <a href="https://interviewquestions.tuteehub.com/tag/involving-2133269" style="font-weight:bold;" target="_blank" title="Click to know more about INVOLVING">INVOLVING</a> gas temperature, the Kelvin scale is often used.Explanation:<a href="https://interviewquestions.tuteehub.com/tag/please-601513" style="font-weight:bold;" target="_blank" title="Click to know more about PLEASE">PLEASE</a> mark as brainlist and follow me</p></body></html>

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60168.	A car cover 18 km in 20 min what will be the car speed
Answer» <html><body><p>dtdktdlyicryeuve e5st sutaaeba</p></body></html>

Discussion

60169.	An object is situated at a distance of f/3 from a convex lens of focal length f. Distance of imagewill be -
Answer» <html><body><p>1/f=1/<a href="https://interviewquestions.tuteehub.com/tag/v-722631" style="font-weight:bold;" target="_blank" title="Click to know more about V">V</a>-1/u1/f=1/v -(-3/f)1/v =1/f-3/f = -2/fthus, v= f/2</p></body></html>

Discussion

60170.	A pure semiconductor behaves like an insulator at 00 K becauce 1 -There is no recombination of electrons with holes2- Drift velocity of free electrons is very small3-Free electrons are not available for current conduction4 -Energy possessed by electrons at that low temperature is almost zero
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a> <a href="https://interviewquestions.tuteehub.com/tag/number-582134" style="font-weight:bold;" target="_blank" title="Click to know more about NUMBER">NUMBER</a> <a href="https://interviewquestions.tuteehub.com/tag/option-25810" style="font-weight:bold;" target="_blank" title="Click to know more about OPTION">OPTION</a> is <a href="https://interviewquestions.tuteehub.com/tag/correct-409949" style="font-weight:bold;" target="_blank" title="Click to know more about CORRECT">CORRECT</a> <a href="https://interviewquestions.tuteehub.com/tag/anwer-2432337" style="font-weight:bold;" target="_blank" title="Click to know more about ANWER">ANWER</a></body></html>

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60171.	Write some situations in which liquids can rise or spread to other parts inspite of their weight
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/since-644476" style="font-weight:bold;" target="_blank" title="Click to know more about SINCE">SINCE</a> water is <a href="https://interviewquestions.tuteehub.com/tag/polar-1157435" style="font-weight:bold;" target="_blank" title="Click to know more about POLAR">POLAR</a>, the cohesion of water causes capillary <a href="https://interviewquestions.tuteehub.com/tag/attraction-887653" style="font-weight:bold;" target="_blank" title="Click to know more about ATTRACTION">ATTRACTION</a>, the ability of water to move <a href="https://interviewquestions.tuteehub.com/tag/uphill-1440181" style="font-weight:bold;" target="_blank" title="Click to know more about UPHILL">UPHILL</a> in small spaces. ... A thinner tube has less surface <a href="https://interviewquestions.tuteehub.com/tag/area-13372" style="font-weight:bold;" target="_blank" title="Click to know more about AREA">AREA</a> and so the water molecules have less space to fill and that's why they rise higher in a thin tube then a thick tube..</body></html>

Discussion

60172.	If initial speed of body is zero.After 3second speed will become 3m/s.Find the acceleration?
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:In <a href="https://interviewquestions.tuteehub.com/tag/x-746616" style="font-weight:bold;" target="_blank" title="Click to know more about X">X</a> direction, V x =3m/s In y direction, V y =at=1(4)=4m/s. V <a href="https://interviewquestions.tuteehub.com/tag/net-5194" style="font-weight:bold;" target="_blank" title="Click to know more about NET">NET</a> = V x 2 +V y 2 = 3 2 +4 2 =5m/s at an angle <a href="https://interviewquestions.tuteehub.com/tag/tan-1238781" style="font-weight:bold;" target="_blank" title="Click to know more about TAN">TAN</a> −1 (4/3) with initial direction of <a href="https://interviewquestions.tuteehub.com/tag/velocity-1444512" style="font-weight:bold;" target="_blank" title="Click to know more about VELOCITY">VELOCITY</a>.</body></html>

Discussion

60173.	If the weight of a body is 490 N, calculate its mass. (g = 9.8 m/s2
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/50-322056" style="font-weight:bold;" target="_blank" title="Click to know more about 50">50</a> kgExplanation:w=m×f490=m×9.8m=50mark as <a href="https://interviewquestions.tuteehub.com/tag/brainlist-2485655" style="font-weight:bold;" target="_blank" title="Click to know more about BRAINLIST">BRAINLIST</a></body></html>

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60174.	State the type of lenses used in her spectacles
Answer» <html><body><p>lenses. These are <a href="https://interviewquestions.tuteehub.com/tag/thinnest-2306077" style="font-weight:bold;" target="_blank" title="Click to know more about THINNEST">THINNEST</a> in the center. ...Convex lenses. These are thickest in the center, like a magnifying <a href="https://interviewquestions.tuteehub.com/tag/glass-14164" style="font-weight:bold;" target="_blank" title="Click to know more about GLASS">GLASS</a>. ...<a href="https://interviewquestions.tuteehub.com/tag/cylindrical-429099" style="font-weight:bold;" target="_blank" title="Click to know more about CYLINDRICAL">CYLINDRICAL</a> lenses. These <a href="https://interviewquestions.tuteehub.com/tag/curve-941741" style="font-weight:bold;" target="_blank" title="Click to know more about CURVE">CURVE</a> more in <a href="https://interviewquestions.tuteehub.com/tag/one-585732" style="font-weight:bold;" target="_blank" title="Click to know more about ONE">ONE</a> direction than in the other.mark ❤️</p></body></html>

Discussion

60175.	Write two electromagnetic waves, which are having frequencies greater than visible light.
Answer» <html><body><p>tion:On one end of the electromagnetic spectrum are radio <a href="https://interviewquestions.tuteehub.com/tag/waves-13979" style="font-weight:bold;" target="_blank" title="Click to know more about WAVES">WAVES</a>, which have wavelengths billions of <a href="https://interviewquestions.tuteehub.com/tag/times-1420471" style="font-weight:bold;" target="_blank" title="Click to know more about TIMES">TIMES</a> <a href="https://interviewquestions.tuteehub.com/tag/longer-1078655" style="font-weight:bold;" target="_blank" title="Click to know more about LONGER">LONGER</a> than those of visible light. On the other end of the spectrum are gamma <a href="https://interviewquestions.tuteehub.com/tag/rays-1178020" style="font-weight:bold;" target="_blank" title="Click to know more about RAYS">RAYS</a>, with wavelengths billions of times <a href="https://interviewquestions.tuteehub.com/tag/smaller-1213327" style="font-weight:bold;" target="_blank" title="Click to know more about SMALLER">SMALLER</a> than those of visible light.</p></body></html>

Discussion

60176.	Calculate the work done by the force of 15 N –Displacement of 2m in the opposite direction of applied force.
Answer» <html><body><p>ne : It is defined as work done by the <a href="https://interviewquestions.tuteehub.com/tag/body-900196" style="font-weight:bold;" target="_blank" title="Click to know more about BODY">BODY</a> as the <a href="https://interviewquestions.tuteehub.com/tag/force-22342" style="font-weight:bold;" target="_blank" title="Click to know more about FORCE">FORCE</a> exerted on the body along the direction of displacement . In mathematical <a href="https://interviewquestions.tuteehub.com/tag/form-996208" style="font-weight:bold;" target="_blank" title="Click to know more about FORM">FORM</a> , it is represented as ,➳ <a href="https://interviewquestions.tuteehub.com/tag/w-729065" style="font-weight:bold;" target="_blank" title="Click to know more about W">W</a> = F × s × cosθSI <a href="https://interviewquestions.tuteehub.com/tag/unit-1438166" style="font-weight:bold;" target="_blank" title="Click to know more about UNIT">UNIT</a> : JouleForce exerted (F) = 15 NDisplacement (s) = 2 mDisplacement is in opposite direction of applied force , so ⇒ θ = 180° ____________________________➠ W = F × s × cos 180➠ W = 15 × 2 × (-1)➠ W = 30 × (-1)➠ W = - 30 N</p></body></html>

Discussion

60177.	45° নতিবিশিষ্ট নততলে রাখা বস্তু স্থিরাবস্থা থেকে যাত্রা শুরু করে 0.364 m দূরত্ব অতিক্রম করার পর ওর বেগ 2 m/s হয়। বস্তু ও তলেরমধ্যে ঘর্ষণ গুণাঙ্ক কত?[Ans. 021]
Answer» <html><body><p>or <a href="https://interviewquestions.tuteehub.com/tag/hindi-1684" style="font-weight:bold;" target="_blank" title="Click to know more about HINDI">HINDI</a> only .......................</p></body></html>

Discussion

60178.	M1 is 10 kg and M2 is 5kg coffecient of static friction is 0.2 and coefficient of kinetic friction is 0.10 stuck with pully find acceleration and tension in string
Answer» <html><body><p>ilibrium (f s ) <a href="https://interviewquestions.tuteehub.com/tag/max-546895" style="font-weight:bold;" target="_blank" title="Click to know more about MAX">MAX</a> =T..........(i)From <a href="https://interviewquestions.tuteehub.com/tag/figure-987693" style="font-weight:bold;" target="_blank" title="Click to know more about FIGURE">FIGURE</a> T=m 1 g..........(ii)and <a href="https://interviewquestions.tuteehub.com/tag/n-568463" style="font-weight:bold;" target="_blank" title="Click to know more about N">N</a>=(m <a href="https://interviewquestions.tuteehub.com/tag/2-283658" style="font-weight:bold;" target="_blank" title="Click to know more about 2">2</a> +m)g...........(iii)Also (f s ) max =μ s N...........(iv)⇒μ s (m 2 +m)g=m 1 gor m= μ s m 1 −m 2 = 0.155 −10⇒m=23.3kg</p></body></html>

Discussion

60179.	Define a transfer give tow example.
Answer» <html><body><p>An example of to <a href="https://interviewquestions.tuteehub.com/tag/transfer-1425652" style="font-weight:bold;" target="_blank" title="Click to know more about TRANSFER">TRANSFER</a> is the owner of a car signing the title over to a new owner. An example of to transfer is <a href="https://interviewquestions.tuteehub.com/tag/picking-1154380" style="font-weight:bold;" target="_blank" title="Click to know more about PICKING">PICKING</a> up a package from one location and bringing it to <a href="https://interviewquestions.tuteehub.com/tag/another-876628" style="font-weight:bold;" target="_blank" title="Click to know more about ANOTHER">ANOTHER</a>. (<a href="https://interviewquestions.tuteehub.com/tag/countable-2038167" style="font-weight:bold;" target="_blank" title="Click to know more about COUNTABLE">COUNTABLE</a>) An <a href="https://interviewquestions.tuteehub.com/tag/instance-25561" style="font-weight:bold;" target="_blank" title="Click to know more about INSTANCE">INSTANCE</a> of conveying or removing from one place, person or thing to another; a transferal.</p></body></html>

Discussion

60180.	What is the answer for the question
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/non-580180" style="font-weight:bold;" target="_blank" title="Click to know more about NON">NON</a> <a href="https://interviewquestions.tuteehub.com/tag/uniform-1437485" style="font-weight:bold;" target="_blank" title="Click to know more about UNIFORM">UNIFORM</a> <a href="https://interviewquestions.tuteehub.com/tag/motion-1104108" style="font-weight:bold;" target="_blank" title="Click to know more about MOTION">MOTION</a> I <a href="https://interviewquestions.tuteehub.com/tag/think-661001" style="font-weight:bold;" target="_blank" title="Click to know more about THINK">THINK</a></body></html>

Discussion

60181.	With the example of show that the magnitude of speed and velocity of a moving body can be equal
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/speed-1221896" style="font-weight:bold;" target="_blank" title="Click to know more about SPEED">SPEED</a> and velocity can be equal if the <a href="https://interviewquestions.tuteehub.com/tag/body-900196" style="font-weight:bold;" target="_blank" title="Click to know more about BODY">BODY</a> is moving in a straight <a href="https://interviewquestions.tuteehub.com/tag/path-11833" style="font-weight:bold;" target="_blank" title="Click to know more about PATH">PATH</a></body></html>

Discussion

60182.	the value of kinetic friction is less than the limiting friction . reason - once the motion is started the inertia of rest has overcome .justify
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/static-1226026" style="font-weight:bold;" target="_blank" title="Click to know more about STATIC">STATIC</a> friction causes the <a href="https://interviewquestions.tuteehub.com/tag/body-900196" style="font-weight:bold;" target="_blank" title="Click to know more about BODY">BODY</a> to stay in rest. Limiting friction is the maximum value of static friction. Once the motion starts, dynamic friction <a href="https://interviewquestions.tuteehub.com/tag/acts-848461" style="font-weight:bold;" target="_blank" title="Click to know more about ACTS">ACTS</a> which is less than the static friction, as the body has already overcome inertia of rest.Hence, assertion and reason both are <a href="https://interviewquestions.tuteehub.com/tag/correct-409949" style="font-weight:bold;" target="_blank" title="Click to know more about CORRECT">CORRECT</a> and reason is the correct explanation of assertion.</body></html>

Discussion

60183.	Calculate the work done by the force of 15 N – (i) Displacement of 2 m in the direction of applied force.(ii) Displacement of 2m in the opposite direction of applied force.
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/tion-1420808" style="font-weight:bold;" target="_blank" title="Click to know more about TION">TION</a>:hhueuu I am <a href="https://interviewquestions.tuteehub.com/tag/really-2240024" style="font-weight:bold;" target="_blank" title="Click to know more about REALLY">REALLY</a> <a href="https://interviewquestions.tuteehub.com/tag/looking-1079184" style="font-weight:bold;" target="_blank" title="Click to know more about LOOKING">LOOKING</a> <a href="https://interviewquestions.tuteehub.com/tag/forward-464460" style="font-weight:bold;" target="_blank" title="Click to know more about FORWARD">FORWARD</a> to <a href="https://interviewquestions.tuteehub.com/tag/seeing-1199296" style="font-weight:bold;" target="_blank" title="Click to know more about SEEING">SEEING</a> you are my</body></html>

Discussion

60184.	A train starting from a railway station and moving with uniform acceleration attains speed 40 kilometre per hour in minutes find the it acceleration
Answer» <html><body><p>:Initial <a href="https://interviewquestions.tuteehub.com/tag/velocity-1444512" style="font-weight:bold;" target="_blank" title="Click to know more about VELOCITY">VELOCITY</a> = zeroFinal velocity = <a href="https://interviewquestions.tuteehub.com/tag/40-314386" style="font-weight:bold;" target="_blank" title="Click to know more about 40">40</a> km/hTime of journey = 1 minuteWe have to find acceleration of the train★ Acceleration is defined as the rate of <a href="https://interviewquestions.tuteehub.com/tag/change-913808" style="font-weight:bold;" target="_blank" title="Click to know more about CHANGE">CHANGE</a> of velocity.Mathematically, a = v - u / ta denotes accelerationv denotes final velocityu denotes initial velocityt denotes timeIt is a vector quantity having both magnitude as well as direction.It can be <a href="https://interviewquestions.tuteehub.com/tag/positive-1159908" style="font-weight:bold;" target="_blank" title="Click to know more about POSITIVE">POSITIVE</a>, negative or zero.SI unit : m/s²★ Conversion :• 1 km/h = 5/18 m/s• 40 km/h = 40 × 5/18 = 11.11 m/sTime : 1 min = <a href="https://interviewquestions.tuteehub.com/tag/60-328817" style="font-weight:bold;" target="_blank" title="Click to know more about 60">60</a> s➝ a = v - u / t➝ a = 11.11 - 0 / 60➝ a = 11.11/60➝ a = 0.18 m/s²</p></body></html>

Discussion

60185.	A student measured the lenth of a table to be 65 cm, but the table was actually 62 cm long.What was the percent error in this measurement?
Answer» <html><body><p>56answer,,,,,,,,,,,,,,,,,</p></body></html>

Discussion

60186.	A body in acceleration always changes its velocity or acceleration or both?
Answer» <html><body><p>Acceleration as a VectorAcceleration is <a href="https://interviewquestions.tuteehub.com/tag/therefore-706901" style="font-weight:bold;" target="_blank" title="Click to know more about THEREFORE">THEREFORE</a> a <a href="https://interviewquestions.tuteehub.com/tag/change-913808" style="font-weight:bold;" target="_blank" title="Click to know more about CHANGE">CHANGE</a> in either speed or direction, or both. Keep in mind that although acceleration is in the direction of the change in velocity, it is not always in the direction of <a href="https://interviewquestions.tuteehub.com/tag/motion-1104108" style="font-weight:bold;" target="_blank" title="Click to know more about MOTION">MOTION</a>. When an object slows down, its acceleration is <a href="https://interviewquestions.tuteehub.com/tag/opposite-1137237" style="font-weight:bold;" target="_blank" title="Click to know more about OPPOSITE">OPPOSITE</a> to the direction of its motion.</p></body></html>

Discussion

60187.	Calculate that momentum of a photon whose energy is what is the rest mass of a photon?
Answer» <html><body><p>₹&-+()<a href="https://interviewquestions.tuteehub.com/tag/87-339709" style="font-weight:bold;" target="_blank" title="Click to know more about 87">87</a>&__':;;:&67889)?;8965₹":+&__;</p></body></html>

Discussion

60188.	Q4. What is the speed of light in any medium if the refractive index of the medium with respect to air is 3/2? (Take ⁄ )
Answer» <html><body><p>See, if the refractive <a href="https://interviewquestions.tuteehub.com/tag/index-505893" style="font-weight:bold;" target="_blank" title="Click to know more about INDEX">INDEX</a> in medium is 3/2 the as we know that:refractive index of a medium with respect to <a href="https://interviewquestions.tuteehub.com/tag/air-852233" style="font-weight:bold;" target="_blank" title="Click to know more about AIR">AIR</a> = reciprocal of the refractive index of air with respect to the medium.so, the refractive index of air is 2/3 .Now, we know that any matter or substance whose refractive index is higher, it's speed is low. So, in this <a href="https://interviewquestions.tuteehub.com/tag/question-25051" style="font-weight:bold;" target="_blank" title="Click to know more about QUESTION">QUESTION</a> we can <a href="https://interviewquestions.tuteehub.com/tag/guess-1013936" style="font-weight:bold;" target="_blank" title="Click to know more about GUESS">GUESS</a> that speed of light is less that 2/3.</p></body></html>

Discussion

60189.	Forces of 3.0 N and 4.0 N act at right angles on a block. What should be the mass of the block for the acceleration to be 7 m/s2?
Answer» <html><body><p>:Two <a href="https://interviewquestions.tuteehub.com/tag/forces-16875" style="font-weight:bold;" target="_blank" title="Click to know more about FORCES">FORCES</a> of 3N and <a href="https://interviewquestions.tuteehub.com/tag/4n-319008" style="font-weight:bold;" target="_blank" title="Click to know more about 4N">4N</a> act at right angles on a block.Acceleration of block = 7m/s²We have to find mass of block★ First of all we need to find net force acts on the block. If two forces A and B act at right angles on a <a href="https://interviewquestions.tuteehub.com/tag/body-900196" style="font-weight:bold;" target="_blank" title="Click to know more about BODY">BODY</a> then resultant force R is given byR² = A² + B²By substituting the values,➝ R² = A² + B²➝ R² = 3² + 4²➝ R = √25➝ R = 5N★ As per newton's second law of motion, force is measured as the product of mass and acceleration. <a href="https://interviewquestions.tuteehub.com/tag/f-455800" style="font-weight:bold;" target="_blank" title="Click to know more about F">F</a> = m a➝ F = m a➝ <a href="https://interviewquestions.tuteehub.com/tag/5-319454" style="font-weight:bold;" target="_blank" title="Click to know more about 5">5</a> = m × 7➝ m = 5/7➝ m = 0.71 kg</p></body></html>

Discussion

60190.	The resultant of two forces 3N and 4N can never be equal to: A)2.5N B)5 N C) 7.5N D)6.5N
Answer» <html><body><p>and is <a href="https://interviewquestions.tuteehub.com/tag/c-7168" style="font-weight:bold;" target="_blank" title="Click to know more about C">C</a>. <a href="https://interviewquestions.tuteehub.com/tag/explanation-455162" style="font-weight:bold;" target="_blank" title="Click to know more about EXPLANATION">EXPLANATION</a>:this is my <a href="https://interviewquestions.tuteehub.com/tag/thinking-1414302" style="font-weight:bold;" target="_blank" title="Click to know more about THINKING">THINKING</a></p></body></html>

Discussion

60191.	A ball thrown up is caught by the thrower after 4s. How high did it go and with what velocity was it thr
Answer» <html><body><p>a = -g v= u+ at 0= u -g(2) u= 2g = 2(10) = 20m/sec Initial velocity of ball is 20m/sec. and because v2-u2 = <a href="https://interviewquestions.tuteehub.com/tag/2as-1836799" style="font-weight:bold;" target="_blank" title="Click to know more about 2AS">2AS</a> 0 - (20)2 = -2(10)<a href="https://interviewquestions.tuteehub.com/tag/h-1014193" style="font-weight:bold;" target="_blank" title="Click to know more about H">H</a> h = 20mHERE IS YOUR ANSWER MATE!HOPE IT HELPS! PLS MARK AS <a href="https://interviewquestions.tuteehub.com/tag/brainliest-1995348" style="font-weight:bold;" target="_blank" title="Click to know more about BRAINLIEST">BRAINLIEST</a> ANSWER! <a href="https://interviewquestions.tuteehub.com/tag/thankyou-2295400" style="font-weight:bold;" target="_blank" title="Click to know more about THANKYOU">THANKYOU</a>![email protected]!</p></body></html>

Discussion

60192.	If suddenly the earth is expanded to double of its initial radius, what will be duration of the day
Answer» <html><body><p>The duration will increase drastically to 96 HoursExplainations:Here, D2=2D1(Because earth has expanded <a href="https://interviewquestions.tuteehub.com/tag/twice-714133" style="font-weight:bold;" target="_blank" title="Click to know more about TWICE">TWICE</a>)∴R2=2R1(Because earth has expanded twice)T1=1day=24hr,T2=? <a href="https://interviewquestions.tuteehub.com/tag/according-366619" style="font-weight:bold;" target="_blank" title="Click to know more about ACCORDING">ACCORDING</a> to the <a href="https://interviewquestions.tuteehub.com/tag/law-184" style="font-weight:bold;" target="_blank" title="Click to know more about LAW">LAW</a> of conservation of <a href="https://interviewquestions.tuteehub.com/tag/angular-11524" style="font-weight:bold;" target="_blank" title="Click to know more about ANGULAR">ANGULAR</a> <a href="https://interviewquestions.tuteehub.com/tag/momentum-1100588" style="font-weight:bold;" target="_blank" title="Click to know more about MOMENTUM">MOMENTUM</a>, I2ω2=I1ω1 25mR22(2πT2)=25mR21(2πT1) T2=T1(R2R1)2=24(2)2=96hours</p></body></html>

Discussion

60193.	When a ray of light passes from air to glass state two conditions the ray will not be deviated
Answer» <html><body><p>When a ray of light passes from a less dense material (eg air) into a <a href="https://interviewquestions.tuteehub.com/tag/denser-948201" style="font-weight:bold;" target="_blank" title="Click to know more about DENSER">DENSER</a> material (eg glass or water) it is bent <a href="https://interviewquestions.tuteehub.com/tag/away-386546" style="font-weight:bold;" target="_blank" title="Click to know more about AWAY">AWAY</a> from the surface between the <a href="https://interviewquestions.tuteehub.com/tag/two-714195" style="font-weight:bold;" target="_blank" title="Click to know more about TWO">TWO</a> materials. This means that in this situation the <a href="https://interviewquestions.tuteehub.com/tag/angle-875388" style="font-weight:bold;" target="_blank" title="Click to know more about ANGLE">ANGLE</a> of refraction is <a href="https://interviewquestions.tuteehub.com/tag/always-373607" style="font-weight:bold;" target="_blank" title="Click to know more about ALWAYS">ALWAYS</a> less than the angle of incidence.</p></body></html>

Discussion

60194.	Please help me to answer this question
Answer» <html><body><p>t is <a href="https://interviewquestions.tuteehub.com/tag/direction-1696" style="font-weight:bold;" target="_blank" title="Click to know more about DIRECTION">DIRECTION</a> of <a href="https://interviewquestions.tuteehub.com/tag/magnetic-551115" style="font-weight:bold;" target="_blank" title="Click to know more about MAGNETIC">MAGNETIC</a> field and x is current and z is Explanation:<a href="https://interviewquestions.tuteehub.com/tag/ventricular-2322971" style="font-weight:bold;" target="_blank" title="Click to know more about VENTRICULAR">VENTRICULAR</a> <a href="https://interviewquestions.tuteehub.com/tag/circles-916583" style="font-weight:bold;" target="_blank" title="Click to know more about CIRCLES">CIRCLES</a> this is used to <a href="https://interviewquestions.tuteehub.com/tag/identify-496703" style="font-weight:bold;" target="_blank" title="Click to know more about IDENTIFY">IDENTIFY</a> the current in an circiut</p></body></html>

Discussion

60195.	Find the order and magnitude of following quantity: (a) 385000 kg
Answer» <html><body><p>The order of 38500 can be <a href="https://interviewquestions.tuteehub.com/tag/expressed-7259249" style="font-weight:bold;" target="_blank" title="Click to know more about EXPRESSED">EXPRESSED</a> in <a href="https://interviewquestions.tuteehub.com/tag/terms-1242559" style="font-weight:bold;" target="_blank" title="Click to know more about TERMS">TERMS</a> of power of 10⇒3.85×10 4 <a href="https://interviewquestions.tuteehub.com/tag/kg-1063886" style="font-weight:bold;" target="_blank" title="Click to know more about KG">KG</a></p></body></html>

Discussion

60196.	Nenu appudinunchi malli join avvaledhu......
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/ohh-583380" style="font-weight:bold;" target="_blank" title="Click to know more about OHH">OHH</a> kk <a href="https://interviewquestions.tuteehub.com/tag/em-969731" style="font-weight:bold;" target="_blank" title="Click to know more about EM">EM</a> chesthunnav mariExplanation:Pubg <a href="https://interviewquestions.tuteehub.com/tag/aa-844885" style="font-weight:bold;" target="_blank" title="Click to know more about AA">AA</a>? Among <a href="https://interviewquestions.tuteehub.com/tag/us-718298" style="font-weight:bold;" target="_blank" title="Click to know more about US">US</a> aa?</body></html>

Discussion

60197.	Why don't the forceof action and reaction cancel each other??
Answer» <html><body><p>exerted by <a href="https://interviewquestions.tuteehub.com/tag/two-714195" style="font-weight:bold;" target="_blank" title="Click to know more about TWO">TWO</a> <a href="https://interviewquestions.tuteehub.com/tag/objects-20533" style="font-weight:bold;" target="_blank" title="Click to know more about OBJECTS">OBJECTS</a> on each other are <a href="https://interviewquestions.tuteehub.com/tag/often-585098" style="font-weight:bold;" target="_blank" title="Click to know more about OFTEN">OFTEN</a> called an action- reaction force <a href="https://interviewquestions.tuteehub.com/tag/pair-1145723" style="font-weight:bold;" target="_blank" title="Click to know more about PAIR">PAIR</a>. ... However, action and reaction force pairs don't cancel because they act on different objects. Forces can cancel only if they act on the same object.</p></body></html>

Discussion

60198.	15.Alin sa mga sumusunod ang hindi ginagawa sa marcotting?A. Pagtanggal ng balat. C. Paglalagay ng lupa at lumot. B. Pagkaskas sa panlabas na hibla ng sanga. D. Pagpuputol sa sanga.
Answer» <html><body><p>vznakaklalaouwhshhdhmark <a href="https://interviewquestions.tuteehub.com/tag/brainliest-1995348" style="font-weight:bold;" target="_blank" title="Click to know more about BRAINLIEST">BRAINLIEST</a> and <a href="https://interviewquestions.tuteehub.com/tag/thanks-665909" style="font-weight:bold;" target="_blank" title="Click to know more about THANKS">THANKS</a> <a href="https://interviewquestions.tuteehub.com/tag/answers-25516" style="font-weight:bold;" target="_blank" title="Click to know more about ANSWERS">ANSWERS</a> to <a href="https://interviewquestions.tuteehub.com/tag/get-11812" style="font-weight:bold;" target="_blank" title="Click to know more about GET">GET</a> <a href="https://interviewquestions.tuteehub.com/tag/followers-994240" style="font-weight:bold;" target="_blank" title="Click to know more about FOLLOWERS">FOLLOWERS</a></p></body></html>

Discussion

60199.	Check the correctness of the relations v=underoot E/P where the symbols have their usual meanings
Answer» <html><body><a href="https://interviewquestions.tuteehub.com/tag/yes-749457" style="font-weight:bold;" target="_blank" title="Click to know more about YES">YES</a> it is having <a href="https://interviewquestions.tuteehub.com/tag/correctness-935515" style="font-weight:bold;" target="_blank" title="Click to know more about CORRECTNESS">CORRECTNESS</a> of <a href="https://interviewquestions.tuteehub.com/tag/v-722631" style="font-weight:bold;" target="_blank" title="Click to know more about V">V</a></body></html>

Discussion

60200.	A stone is dropped from the top of the top of cliff reaches it foot in 4 s. calculate the height of the cliff and the velocity with which stone reaches the ground.(g=10m\s^2)
Answer» <html><body><p>h = 80 m, v = 40 m/sExplanation:Givena stone is dropped from the top of the cliffTime taken for stone to reach the ground = 4sLet height be 'h' and final velocity be 'v'a = <a href="https://interviewquestions.tuteehub.com/tag/g-1003017" style="font-weight:bold;" target="_blank" title="Click to know more about G">G</a> = 10m/s²As it is a freely falling body initial velocity is zero i.e., <a href="https://interviewquestions.tuteehub.com/tag/u-1435036" style="font-weight:bold;" target="_blank" title="Click to know more about U">U</a> = 0.We know thats = ut + 1/2 at²⇒h = ut + 1/2 at² [ here <a href="https://interviewquestions.tuteehub.com/tag/displacement-956081" style="font-weight:bold;" target="_blank" title="Click to know more about DISPLACEMENT">DISPLACEMENT</a> of stone is height of the cliff]⇒h = 0 + 1/2 <a href="https://interviewquestions.tuteehub.com/tag/10-261113" style="font-weight:bold;" target="_blank" title="Click to know more about 10">10</a>(<a href="https://interviewquestions.tuteehub.com/tag/4-311707" style="font-weight:bold;" target="_blank" title="Click to know more about 4">4</a>)²∴ h = 516 = 80 m∴ h = 80 mWe know thatv = u + at⇒v = 0 + 10*4∴v = 40 m/s</p></body></html>

Discussion

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Q4. What is the speed of light in any medium if the refractive index of the medium with respect to air is 3/2? (Take ⁄ )​

Forces of 3.0 N and 4.0 N act at right angles on a block. What should be the mass of the block for the acceleration to be 7 m/s2?

The resultant of two forces 3N and 4N can never be equal to: A)2.5N B)5 N C) 7.5N D)6.5N​

A ball thrown up is caught by the thrower after 4s. How high did it go and with what velocity was it thr​

If suddenly the earth is expanded to double of its initial radius, what will be duration of the day​

When a ray of light passes from air to glass state two conditions the ray will not be deviated​

Please help me to answer this question ​

Find the order and magnitude of following quantity: (a) 385000 kg​

Nenu appudinunchi malli join avvaledhu......​

Why don't the forceof action and reaction cancel each other??​

15.Alin sa mga sumusunod ang hindi ginagawa sa marcotting?A. Pagtanggal ng balat. C. Paglalagay ng lupa at lumot. B. Pagkaskas sa panlabas na hibla ng sanga. D. Pagpuputol sa sanga.

Check the correctness of the relations v=underoot E/P where the symbols have their usual meanings ​

A stone is dropped from the top of the top of cliff reaches it foot in 4 s. calculate the height of the cliff and the velocity with which stone reaches the ground.(g=10m\s^2) ​

State difference between contact force and non-contact force

(0) (a) 200 mDelhi is at a distance of 200 km from Ambala. A sets out from Ambala at a speed of30 km h-1 and B sets out at the same time from Delhi at a speed of 20 km h-1. They will meeteach other after a time of(6) 3 hours(c) 4 hours(d) 2.5 hours(a) 2 hours

Where is the use of physics...

4) Find tension between mym, and maand acceleration of blocksLSolution.m2ma

Checka string hongs with a load ,

What do you mean by valency of an atom? Write the valencies of sodium, chlorine, magnesium? (Atomic number for Cl=17, Na=11, Mg=12).

A ball is throw vertically upawards and its its reaches a height of 90m find the velocity with which it was thrown

a body is dubjected to three concurrent forces cannot be in equilibrium reason - if large number of concurrent force acting on the same point then the point will be in equilibrium if sum of all forces is = 0 . Justify

Derive the eqution for the motion of car on a banked road

Particle moves along curve x2/9 +y2/4=1 with constantspeed v. Express the velocity vectorially as function ofx and y

Intrinsic semiconductors are those a(Which are made of semiconductor material in its purest formb(Which have zero energy gapc(Which have more electrons than holesd(Which are available locally

अव्ययाचा प्रकार ओळखा. 1 हळूहळू. 2 अवयव

Name two measurable properties of the gases.

A car cover 18 km in 20 min what will be the car speed

An object is situated at a distance of f/3 from a convex lens of focal length f. Distance of imagewill be -

A pure semiconductor behaves like an insulator at 00 K becauce 1 -There is no recombination of electrons with holes2- Drift velocity of free electrons is very small3-Free electrons are not available for current conduction4 -Energy possessed by electrons at that low temperature is almost zero

Write some situations in which liquids can rise or spread to other parts inspite of their weight

If initial speed of body is zero.After 3second speed will become 3m/s.Find the acceleration?

If the weight of a body is 490 N, calculate its mass. (g = 9.8 m/s2

State the type of lenses used in her spectacles

Write two electromagnetic waves, which are having frequencies greater than visible light.

Calculate the work done by the force of 15 N –Displacement of 2m in the opposite direction of applied force.

M1 is 10 kg and M2 is 5kg coffecient of static friction is 0.2 and coefficient of kinetic friction is 0.10 stuck with pully find acceleration and tension in string

Define a transfer give tow example.

With the example of show that the magnitude of speed and velocity of a moving body can be equal

the value of kinetic friction is less than the limiting friction . reason - once the motion is started the inertia of rest has overcome .justify

Calculate the work done by the force of 15 N – (i) Displacement of 2 m in the direction of applied force.(ii) Displacement of 2m in the opposite direction of applied force.

Calculate that momentum of a photon whose energy is what is the rest mass of a photon?

Q4. What is the speed of light in any medium if the refractive index of the medium with respect to air is 3/2? (Take ⁄ )

The resultant of two forces 3N and 4N can never be equal to: A)2.5N B)5 N C) 7.5N D)6.5N

A ball thrown up is caught by the thrower after 4s. How high did it go and with what velocity was it thr

If suddenly the earth is expanded to double of its initial radius, what will be duration of the day

When a ray of light passes from air to glass state two conditions the ray will not be deviated

Please help me to answer this question

Find the order and magnitude of following quantity: (a) 385000 kg

Nenu appudinunchi malli join avvaledhu......

Why don't the forceof action and reaction cancel each other??

Check the correctness of the relations v=underoot E/P where the symbols have their usual meanings

A stone is dropped from the top of the top of cliff reaches it foot in 4 s. calculate the height of the cliff and the velocity with which stone reaches the ground.(g=10m\s^2)