InterviewSolution
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InterviewSolution
This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your Class 11 knowledge and support exam preparation. Choose a topic below to get started.
| 2101. |
Mutual inductance |
| Answer» Yes<br>Good night | |
| 2102. |
Check the correcteness of formula by using the method of dimensional analysis 1/2mv^2=mgh |
| Answer» it is correct .. Mv^2 _[M][LT^-1]^2=[ML^2T^-2] and mgh_[M][LT^-2][L]=[ML^2T^-2] | |
| 2103. |
What is motion in a plane |
| Answer» | |
| 2104. |
What is magnjtude |
| Answer» Its mean size and it spelling may be magnitude | |
| 2105. |
Define triangle law of addition and parallelogram law of addition with derivation |
| Answer» | |
| 2106. |
Dimensional formula of relative density |
| Answer» May be ML*-3 | |
| 2107. |
If force act perpendicular to the direction of motion.what is the amout of workdone |
| Answer» The amount of workdone will be 0 bcuz angle become 90degree | |
| 2108. |
A body is projected with a velocity 30m/s and makes an vertical angle 30 degree calculate its range |
| Answer» | |
| 2109. |
What is law of conservation of enegy |
| Answer» Law of concervation of energy states that energy cannot be created and nor be destroyed, but can be changed from 1 form to anotherEXAMPLE when you push your friend your energy gets converted in form of force on your friends\'s body. | |
| 2110. |
Derive the equations for motion using graphical method |
| Answer» It is there in class 9th ncert or u can check in google u will get detail answer in best way<br>I can\'t derive it here by graphical method<br>Aapne kholi h kya kbhi???<br>Kabhi book khol liya karo | |
| 2111. |
Unit test 1 question paper 2018 |
| Answer» | |
| 2112. |
What is the angle between(P+Q) and(P-Q) will be |
| Answer» (P+Q)=0degree(P-Q)=180degreeFrom laws of vector addition special cases. | |
| 2113. |
Motion three law |
| Answer» 3)v^2-u^2=2as<br>2)v=u+at<br>1)s=ut+1/2 gt^2<br>1. S=ut+1/2at^22.v^2-u^2=2as3.v-u=at<br>u are very fast bro | |
| 2114. |
One can avoid constant error. Justify. |
| Answer» | |
| 2115. |
important formulae of differentiation and integration |
| Answer» | |
| 2116. |
Any one want to chat with me can join on school amino my id name is aarav rajput |
| Answer» Say yarr | |
| 2117. |
What is projectile?Give example. |
| Answer» | |
| 2118. |
What is Dimentional analysis |
| Answer» An analysis which helps us in checking the accuracy, derivation or its homogeneity of various numerical expressions | |
| 2119. |
कोई भी 12th class cbse board ka school change kar sakta hai kya |
| Answer» Hn change kar sakta lekin uske liye usse aapne cbse board ke region se sign karvana padega | |
| 2120. |
The mass of an electron is 9.11*10-28g. How many electrons would make 1 kg. |
| Answer» 9.1×10to power -31kg<br>1000*9.11*10_28g | |
| 2121. |
Why the mass of a body does not change? |
| Answer» Because mass is a matter present in that body. | |
| 2122. |
What is angular projection? Explain it? |
| Answer» Angular projection-When the body is thrown with an initial velocity at an angle to the horizontal direction. | |
| 2123. |
Who invented trigonometric ratios? |
| Answer» Hipparchus of Nicaea | |
| 2124. |
Rest and motion are relative terms |
| Answer» | |
| 2125. |
Hii there i am tonu and i am a speed cuber.. |
| Answer» https://youtu.be/_f0pyJuwhB4<br>Wt | |
| 2126. |
What is four of motion |
| Answer» Are you ask four types of motions? | |
| 2127. |
What are changes that CBSE had done syllabus of 11th physics |
| Answer» CBSE included optics in phy<br>Optics had been added in syllabus only | |
| 2128. |
State and prove mid point theorem by using vectors |
| Answer» | |
| 2129. |
Displacement Vector in Space |
| Answer» May be u can use some reference books as I got my answer for these there.<br>In this case u r talking about vectors in 3-D which is to be thought only for IIT-JEE | |
| 2130. |
What is tensor |
| Answer» These are those quantities which are neither vector nor scalar.Example- moment of inertia, stress,strain etc.<br>A tensor is a quantity which do not obey Vector law but as well as obey scaler quantity rules<br>a mathematical object analogous to but more general than a vector, represented by an array of components that are functions of the coordinates of a space. | |
| 2131. |
123 chapter |
| Answer» What...???? | |
| 2132. |
5.74g of a substance occupies 1.2 cm^3 .express its density to correct significant figures |
| Answer» density=mass/volumemass=5.74gvolume=1.2cm cubetherefore, 5.74/1.2=4.7 (taking only 2 significant figures) rounding off =4.8g/cm cube | |
| 2133. |
What do you mean by 1 parsec? |
| Answer» Parsec is an astronomical unit of measurement which is commonly used in galactic or extragalactic scales.It is defined as the distance of an astronomical object from the Sun which has a parallax of 1 arcsecond.<br>It is the largest unit of distance equals to 3.08 light year and defined as the distance when 1 second of angle is made by an arc of lenght one A.U . | |
| 2134. |
about vector |
| Answer» Vector is a quantity which have both magnitude and direction. | |
| 2135. |
What is instantaneous speed and velocity? |
| Answer» It is defined as the speed or velocity at any instant or particular time.... | |
| 2136. |
Defferetiation of x root x |
| Answer» 3x/2√x | |
| 2137. |
Ncert example of chapter 1 |
| Answer» Physics<br>of which subject example | |
| 2138. |
Velocity of light |
| Answer» 3×10 ki power -8 metre per second<br>3×10^8m/s<br>3 ×10^8 m/s<br>3×10power8 m/sec | |
| 2139. |
Explain in brif work energy thearum |
| Answer» The work-energy theorem states that the work done by all forces acting on a particle equals the change in the particle’s kinetic energy. | |
| 2140. |
which will be the best refresher for bio physics and chemistry |
| Answer» Physics- HC Verma. And Chemistry- pradeep chemistry.<br>For physics sl arora or mbd,for chemistry u can check out pardeep or modern publication | |
| 2141. |
What is angle of friction ? |
| Answer» When the body placed on some surface is just on the point of sliding then in that condition the angle between applied force and normal force is called the angle of friction. | |
| 2142. |
How beta radioactive decay happened |
| Answer» | |
| 2143. |
What is dimensional analysis ? |
| Answer» While calculating, there might be a chance when the units have to be converted from one system to another. For Example :- 1L to m3,i.e.,1L = 1000cm3 = 10-3m3.This conversion from one system to another system can be accomplished by using dymensional analysis or unit factor method or factor label method.<br>in simple way... it is the method of studying a physical phenomenon on the basis of dimensions is called dimensional analysis.<br>analysis using the fact that physical quantities added to or equated with each other must be expressed in terms of the same fundamental quantities (such as mass, length, or time) for inferences to be made about the relations between them. | |
| 2144. |
T=0.2s , u =54 km/h , a = -6m/s×s then what will be displacement |
| Answer» | |
| 2145. |
What is tringle law in vector????? |
| Answer» If 2 vectors acting simultaneously on a body are represented both in magnitude and direction by 2 sides of a triangle taken in an order then the resultant(both magnitude and direction) of these vectors is given by 3rd side of that triangle taken in opposite order. | |
| 2146. |
What are the sign coventions for a freely falling body |
| Answer» | |
| 2147. |
1Au(astronaumical unit) =? |
| Answer» 1.5*10^11 m<br>1.5 ×10 ^11 m<br>1.5×10^15m | |
| 2148. |
Who is the scintist who make larger no of experiment |
| Answer» | |
| 2149. |
Define impulsive force |
| Answer» Force that act over short time and produce rapid change in motion | |
| 2150. |
Speed of light (3×10power8±6) and wavelength (100±0.04). Find absolute error. ;(c=v × lemda) |
| Answer» | |