This section includes InterviewSolutions, each offering curated multiple-choice questions to sharpen your knowledge and support exam preparation. Choose a topic below to get started.
| 3701. |
14. The equivalent resistance between A andB if each resistance is equal to 20 ohm isАBWW1) 1022 2) 3212 3) 2012. 4) 26.6722 |
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Answer» PATA nahi Explanation: hdgsishsjiwgdidgdhshhdhdjdbjdjejdvvwjsvfhvdjdhdhdvdjdvdjdvdhdhhdvdjdbdjd |
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| 3702. |
When you blow air into then shows_ enlargement in all directions8 |
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Answer» ANSWER:blah Explanation: blahhhhh blahhh |
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| 3703. |
Jane's brother Andrew leaves home for school at 8:00 am. He walks at 3.6 kph. At 8:20 am Jane discovers that Andrew has left his homework at home. She decides to follow him on her bicycle and give him his homework, but she wants to be back home in time for an online test at 9 am. What is the minimum constant speed at which she needs to ride? (Hint: At what time of day will they meet?) Jane must ride at least ______ kph. PLEASE UPLOAD THE WORKING SOLUTION OF THIS QUESTION. |
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Answer» ANSWER: 7.2 km/he should be SPEED of NAME CYCLE and MEET at 8:40 AM |
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| 3704. |
The equivalent resistance between A andB if each resistance is equal to 20 ohm isABO1) 1012 2) 321 3) 2014) 26.6722 |
Answer» where is the CIRCUIT dued !!........** |
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| 3705. |
A car travels a distance d on a straight road in twohours and then returns to the starting point in nedtthree hours. Its average speed is:1)d/52)2d/53)d/2+d/54)none of these |
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Answer» Explanation: |
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| 3706. |
50copper block ofАblock of mangm and specific heat 0.1 cal/gieis heated foom 30c to 290degeer thethermal capacity ofcapacity of the blockis |
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Answer» I do not KNOW the answer Explanation: |
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| 3707. |
Definition of Force. |
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Answer» Explanation: A force involves an interaction between TWO or more objects, and it CAUSES a push or pull between the objects. ... GOOD examples of OPPOSING force include drag due to interaction with an air mass and the force due to friction between two objects. |
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| 3708. |
Which part of the earth does not receive suns radiant energy |
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Answer» PLZ MARK it as BRAINLIEST ! |
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| 3709. |
Which of the following statements pertains to resistors only |
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| 3710. |
Suruyia me urja ka srote hai |
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Answer» सूर्य की ऊर्जा का प्रमुख स्रोत नाभिकीय संलयन प्रक्रिया है। ... सूर्य सतह हाइड्रोजन,हीलियम,कार्बन,आयरन,ऑक्सीजन,सल्फर इत्यादि तत्वों से निर्मित हुआ है जिसमें से ७४ प्रतिशत हिस्सा हाइड्रोजन एवम् २४ प्रतिशत हिस्सा हीलियम है। hope it HELPS you. mark as BRAINLIST answer. |
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| 3711. |
A car accelerates with a constant acceleration of 1.2 m/s^2 along a long straight road. How long does it take the car to accelerate from 100 kph to 110 kph, and how far does it travel while doing so? [Hint: watch your units and your significant figures. Because there is no other information, take the speeds as three significant figures.] It takes ______ seconds to accelerate to 110 kph. While accelerating, the car travels _____ m. Separate your answers with a comma. Example: a, b |
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Answer» Explanation: 100 kph=100×1000/3600=27.78 m/s 110 kph=110×1000/3600= 30.56 m/s so, CHANGE in velo. =(30.56 -27.78) m/s =2.78 m/s (approx) so time TAKEN ,t= 2.78/1.2 sec =2.32 sec (approx) now during this time car travels =(27.78 ×2.32+1/2×1.2×2.32×2.32) =67.68 m.(approx) so ans == 2.32 sec, 67.68mt. |
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| 3712. |
A (field) hockey player is running north at a speed of 8 m/s . A ball is coming directly towards her from the north at a speed of 18 m/s. She swings her stick forward, directly north, at a speed of 6 m/s measured in her own frame of reference. What is the speed of the ball with respect to the hockey stick? Relative to the hockey stick, the ball is travelling at ____ m/s. |
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Answer» Answer: The ball is travelling at -24 m/sExplanation:
Player velocity ( STICK velocity (
Case 1: Ball velocity ( Ball velocity relative to the stick is
Case 2: Ball velocity ( Ball velocity ( As in case 1, ball velocity relative to the stick,
∴ Relative to the hockey stick, the ball is travelling at -24 m/s |
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| 3713. |
Did I not tell you so ? Change the voice |
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Answer» So I didn't TELL you? |
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| 3714. |
Alpha=(FV2/beta2) log( 2πbeta/V2) FORCE=F,VELOCITY=Vfind alpha and beta |
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| 3715. |
Which alkali metal is used in solar cells? |
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| 3716. |
two equal point charges A and Bare R distance apart. a third point charge placed on the perpendicular bisector at a a distance d from the center will experience maximum electrostatic force when |
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Answer» Answer: A third point CHARGE PLACED on the perpendicular bisector at a DISTANCE 'd' from the centre. Let charge on each particle is q and charge on third particle is Q. but only y = R/2√2 , d²F/dy² < 0 and force will be MAXIMUM. so, at y = R/2√2 electrostatic force will be maximum. |
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| 3717. |
An archer standing on the back of a pickup truck moving at 28 m/s fires an arrow straight up at a duck flying directly overhead. The archer misses the duck! The arrow was fired with an initial velocity of 49 m/s relative to the truck. |
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Answer» SORRY, I can't UNDERSTAND Explanation: MARK me as BRAINLEST and follow me guys , give thanks take thanks |
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| 3718. |
If a scalar is a pure number like pi, then it will have no unit. What does this statement mean? Can someone please explain? Thank you in advance. Please note that any unnecessary content will be reported. |
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Answer» Answer: The identity e^(iπ)+1 = 0 is a well known equation that can be proven MATHEMATICALLY. It is an identify that contains the most beautiful entities ENCOUNTERED in MATH, namely π, i, e, 0 and 1. It combines the real and the IMAGINARY. Can anyone EXPLAIN it rationally, creatively and not just mathematically? |
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| 3719. |
State newtons any two laws of motion |
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Answer» HI ... here is your answer Explanation: Three laws of motion may be stated as FOLLOWS:
Hope it helps you ..... ♡♡ Have a good day ♡♡ Mark as Brainliest plz.... |
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| 3720. |
What is solar eclipse???? |
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Answer» Explanation: solar eclipse OCCURS when a portion of the Earth is engulfed in a shadow cast by the Moon which fully or partially blocks SUNLIGHT. This occurs when the Sun, Moon and Earth are aligned. Such alignment coincides with a new moon indicating the Moon is CLOSEST to the ECLIPTIC plane. |
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| 3721. |
Consider a bubble of a 4mole of oxygen is submerged at a certain depth of water. If the temperature of the water is raised by 15°C at constant pressure, the bubble expands. Calculte the work done by the oxygen bubble in this process. Answers a)9580J b)500J c)4608 J d)700J |
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Answer» Answer: 700J Explanation: |
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| 3722. |
please tell the current through each of the resistors. |
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Answer» Explanation: 7/20restince v=ir 6=i×7/20 I= 6×20/7 I=240/7 |
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| 3723. |
Plz ans me electricitu baded numerical questions |
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Answer» Answer: 2.7 SECONDS is the APPROXIMATE TIME TAKEN |
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| 3724. |
Which of the following is a standard unit of measurement?a) metre b) foot step c) cubit d) pace |
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Answer» HYY mate ✌️ Metre is standard UNIT of MEASUREMENT.....xd !!!!!! |
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| 3725. |
Time period of simple pendulum if the frequency is 2 hz |
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Answer» ★ FREQUENCY (f) = 2Hz. A relation b/w Time Period(T) and Frequency(f) for certain oscillations is defined by T = 1/f Therefore, T = 1/f = 1/2 = 0.5 sec. => T = 0.5s Hence, the Time Period (T) for the GIVEN pendulum is 0.5 sec. |
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| 3726. |
Hii guys.........How are you all.........I hope you all are fine..............☺️My question: Using velocity-time graph derive the relation between position-time relation? |
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Answer» Answer: Hey mate! Here's your answer!! Consider the graph shown in the given attachment. OBVIOUSLY, the total distance s travelled by the object in time t is given by are under v-t graph. Therefore, distance travelled, s = Area OABGC Obviously, OABGC is a trapezium, whose area is (OA + BC/2) × OC. But, OA = u, BC = v and OC = t Distance travelled, s = ( \frac{oa + bc}{2} ) \TIMES oc = ( \frac{u \times v}{2} ) \times ts=( 2 oa+bc
)×oc=( 2 u×v
)×t From the velocity - time relation, we have at = v - u or t = v - u/a On SUBSTITUTING this VALUE of t in equation, we get s = ( \frac{u + v}{2} ) \times ( \frac{v - u}{a} ) = \frac{v {}^{2} - u {}^{2} }{2a}s=( 2 u+v
)×( a v−u
)= 2a v 2 −u 2 ]
➡ v² - u² = 2as Therefore, this equation is the position velocity relation for uniformly accelerated motion. Hope it helps you! ✌ ✌ ✌ |
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| 3727. |
Find roots of equation plzzzzz answer this question I will mark him/her as brainlist |
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Answer» x=-1/5 x=1/2 Explanation: equation will be 10xsquare-3X-1=0 you can break 3x and you get 10xsquare-5x+2x-1 |
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| 3728. |
A dry beaker weighs 60gms. When 240 ml of liquid is poured into the beaker it weighs 300 gms. Calculate the density of the liquid.give me a clear answer as I need to show all the steps....so... please...!! |
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Answer» Answer: 1g/ml Explanation: density=MASS/volume mass = 300g-60g =240g volume=240ml density=240g/240ml =1g/ml Brainliest answer BANANE KI bhik NAHI manguga PASAND Aya to thik nahi Aya to bhi thik |
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| 3729. |
Please Solve this its urgent!! |
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Answer» Answer: 1/3 Explanation: [A/B] = [A]/[B] = 1/3 |
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| 3730. |
An electric dipoleconsists of two charges+ 5 Mc and – 5 Mc seperated by a distanceOF 0.2cm .find the Intensity of electricfield at a point distance.1)8cm on its axial line2)4cm on its equatorial line. measured from the center of dipole. |
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| 3731. |
Water contract when heated from 0⁰c to ? |
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Answer» ANSWER: ok i FEEL what are you saying WATER contracts beacuse molecules come CLOSER to each other Explanation: |
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| 3732. |
Plz ans me electricity based numerical questions |
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| 3733. |
If a balll is throne vertically downwards from height of tower 100 meter . In how much time body will strike the ground . g= 10 m/s -2 |
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Answer» Answer: If we define a velocity upwards as positive in sign, then it follows that velocity downward MUST be negative in sign. To be clear, velocity upwards means that an object's position is changing, and it was at a lower height just a moment ago (it is RISING). At a different time, velocity downward means the object's position is changing, and it was at a higher height just a moment ago (it is lowering). In the natural course of throwing something upwards, first it rises, later it falls. Q: How does a positive QUANTITY go negative? A: It passes through ZERO. Thus, for a split second between these upward and downward motions, it stops. Zero velocity! And if it is no longer moving up, and not yet begun to move down, then it must have reached its highest position. |
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| 3734. |
The resultant of two vectors A and B is R. If B is doubled, the new resultant is perpendicular to vector A. Find R |
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Answer» <P>Answer: SUBSTITUTE the places P and Q as A and B... |
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| 3735. |
a book of mass 20 kg is kept on a table.find the thrust applied by the book.(consider acceleration due to gravity as 10 m/s^-2) |
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Answer» ★ m = 20kg g = 10m/s^2 Thus, THRUST applied by the book on table (F) = (mass) × g => F = m × g => F = 20 × 10 => F = 200N Now, The book APPLIES the thrust on the table in the direction of GRAVITATIONAL Acceleration thus it's magnitude must be taken +ve. Therefore, F = +200N Hecne, the book applies a thrust of 200N on the table. |
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| 3736. |
Please tell the the current through each of the resistors. |
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Answer» ★ It can CLEARLY be seen that all THREE GIVEN resistors are connected parallel to each other. Thus, potential DIFFERENCE each resistor must remain same and must be equal to the potential difference of the Battery. Hence, CURRENT through each resistors is: ★From 5 ohm resistor:R = 5ohm V = 6V and, I = V/R I = 6/5 => I = 1.2 A ★ From 10 ohm resistor:R = 10ohm V = 6V and, I = V/R I = 6/10 => I = 0.6 A ★ From 20 ohm resistor:R = 20ohm V = 6V and, I = V/R I = 6/20 I = 3/10 => I = 0.3 A |
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| 3737. |
Do a graph in your graph sheet with the values and find the slope of T^2 vs l graph and find the value of g as well Please reply fast |
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Answer» How can we do the GRAPH in this |
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| 3738. |
pre ignition in a si engine may be detected by. a. increase in speed. b. sudden loss of power. c. exhaust coloration. d. rise in exhaust temperature |
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Answer» Answer: hcjlglufyofykfkfxtdtidiydyidgidvdgdfydtfdgdefect |
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| 3739. |
just explain me einstein theory of relativity from your feelings towards universe not by google or any other source plz dont spam |
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Answer» enstein believed that " when we sit with a beautiful GIRL for two hours we FEEL like 2 minutes and when we sit on FIRE for 2 minutes we feel like 2 hours... and that's relativity....., |
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| 3740. |
Density of sea water is greater or lesser than the density of a freshwater |
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Answer» GREATER............. |
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| 3741. |
A) For a shaving mirror , where should the face be:-(1) Between pole and focus (2) at focus (3) between focus and centre (4) beyond centre B) Where will the parallel rays meet after reflection :-(1) at the pole (2) at the centre of curvature (3) at the focus (4) on the focal plane C) Which type of mirror obeys the laws of reflection:-(1) plane mirror (2) Convex (3) Concave (4) All of these D) By sign convention object distance for a spherical mirror usually :-(1) positive (2) Negative (3) no sign (4) Zero E) What type of mirror is used in a solar furnace(1) plane (2) Concave (3) Convex (4) none of these F) Which factor would we have control over studying reflection (1) angle of incident (2) angle of reflection (3) normal (4) none of these |
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Answer» A. 3 B. 3 C. 4 D. 1 E. 2 F 4
This is the answer of the questions |
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| 3742. |
With constant force and decrease in area, pressure __________________________. |
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Answer» INCREASES is the ANSWER brother/sister... WELL MARK as BRAINLIEST |
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| 3743. |
Find the current through each of the following resistors. |
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Answer» since POTENTIAL in parallel is same so potential is each RESISTOR = 6V CURRENT in 20 ohm resistor= 6/20 = .3 A current in 10 ohm resistor = 6/ 10 = .6A current in 5 ohm resistor = 6/5 = 1.2A Explanation: |
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| 3744. |
CURRENT ELECTRICILEVEL-IITwo resistances of 5 ohm and 10 ohm areconnected in series. If the P.D. across 5 ohmresistor is 10V, the heat developed in 2.1 secin the other resistor is :1) 84 calories 2) 420 calories3) 20 calories 4) 10 caloriesR=Poh of 50W and 100V can |
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| 3745. |
When fluids are heated they expand or contract |
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Answer» Answer: Liquids EXPAND when heated and they contract when cooled. Think about mercury in a thermometer! Ice however, expands when it freezes. As the water MOLECULES lose HEAT, they vibrate less, and are able to form GEOMETRIC patterns that take up more space. Explanation: Hope it helps you! Plz mark as brainliest! |
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| 3746. |
Hi guys please give me correct answerswrong answers will be reported |
Answer» HG and BR2(dibromine) both EXIST in liquid state.Therefore, both 2 and 3 are correct.HOPE this will help you |
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| 3747. |
a stone is dropped from a balloon at an altitude of 300m. How long will the stone take to reach the ground if (a) the balloon is ascending with a velocity of 5m/s (b) the balloon is descending with a velocity of 5m/s (c) the balloon is stationary |
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Answer» ) the balloon is DESCENDING with a velocity of 5m/s PLEASE MARK as Brainliest please follow me on my this I'd and also follow me on my second I'd anmolverma786 it's in my following |
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| 3748. |
The level of water in a measuring cylinder = 300 ml.when a piece of stone is dipped into water , it rises to 350 ml. what is the density of the stone if the mass of the stone is 500 gms |
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| 3749. |
QUESTION FOR PHYSICS EXPERT..... ANSWER MUST BE DETAIL; |
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Answer» Answer: Explanation: as the CURRENT increase from 1 to 5 mA when R2 decreases from 1KOHM to 0 ohm. so R1 is equal to R2 / 4 = 250 ohm. V is equal to 250 × 5 ×10^(-3) = 1.25 V |
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| 3750. |
Determine the amplitude of the resultant wave when two electric fields interfere.the intensity of the interference patterns at a point P is 12.0W/m^2 |
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Answer» Answer: okay here is the correct answer plzz mark as BRAINLIST answer thank toy answer plzzz follow me Explanation: When two or more LIGHT WAVES interfere, the resulting electric field amplitude is equal to the vector sum of the individual field AMPLITUDES. If two waves with equal amplitudes are in phase and overlap i.e. if crest meets crest and trough meets trough, then we observe a RESULTANT wave with twice the amplitude. |
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