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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.
| 10001. |
Dear sir, Please help me with the question below. A car moving with speed of 54 km/h is brought to rest within 10 sec by applying break. Find the acceleration due to breaks. |
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Answer» Dear sir, Please help me with the question below. A car moving with speed of 54 km/h is brought to rest within 10 sec by applying break. Find the acceleration due to breaks. |
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| 10002. |
The moon revolves around the Earth in a circular path under the action of gravitational force. What can you conclude about the net work done by gravity in this case? |
| Answer» The moon revolves around the Earth in a circular path under the action of gravitational force. What can you conclude about the net work done by gravity in this case? | |
| 10003. |
You are applying force on the pan of single pan weighing balance and the pointer point 100g. What is the force in Newton's applied by you? |
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Answer» You are applying force on the pan of single pan weighing balance and the pointer point 100g. What is the force in Newton's applied by you? |
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| 10004. |
The coefficient of apparent expansion of a liquid when determined using two different vessels A and B are γ1 and γ2 respectively. If the coefficient of linear expansion of vessel A is α, the coefficient of linear expansion of vessel B is |
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Answer» The coefficient of apparent expansion of a liquid when determined using two different vessels A and B are γ1 and γ2 respectively. If the coefficient of linear expansion of vessel A is α, the coefficient of linear expansion of vessel B is |
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| 10005. |
why do we have x,y axes.what was the reason behind its discovery?why is slope positive and negative? Why don't we plot velocity as x and time as y? |
| Answer» why do we have x,y axes.what was the reason behind its discovery?why is slope positive and negative? Why don't we plot velocity as x and time as y? | |
| 10006. |
A loaded cargo ship sails from sea water to river water ? State and explain your observation. |
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Answer» A loaded cargo ship sails from sea water to river water ? State and explain your observation. |
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| 10007. |
State three uses of a vernier callipers. |
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Answer» State three uses of a vernier callipers. |
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| 10008. |
From a rifle of mass 4 kg, a bullet of mass 50 g is fired with a velocity of 35 ms−1.The recoil velocity of the rifle is: |
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Answer» From a rifle of mass 4 kg, a bullet of mass 50 g is fired with a velocity of 35 ms−1.The recoil velocity of the rifle is: |
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| 10009. |
Two stars emit maximum radiation at wavelength 3600 Å and 4800 Å respectively. The ratio of their temperatures is |
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Answer» Two stars emit maximum radiation at wavelength 3600 Å and 4800 Å respectively. The ratio of their temperatures is |
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| 10010. |
The time period T of a simple pendulum is related to the acceleration due to gravity g as |
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Answer» The time period T of a simple pendulum is related to the acceleration due to gravity g as |
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| 10011. |
A block is sliding down on an inclined plane. The velocity changes at a constant rate from 10 cms−1 to 15 cms−1 in 2 seconds. What is its acceleration? |
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Answer» A block is sliding down on an inclined plane. The velocity changes at a constant rate from 10 cms−1 to 15 cms−1 in 2 seconds. What is its acceleration? |
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| 10012. |
A speed of 100 km/h, expressed in cm s-1 |
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Answer» A speed of 100 km/h, expressed in cm s-1 |
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| 10013. |
Which wave property determines pitch? |
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Answer» Which wave property determines pitch? |
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| 10014. |
Observe the figure below : The volume of stone immersed in the liquid is : |
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Answer» Observe the figure below : The volume of stone immersed in the liquid is : |
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| 10015. |
How does a bat calculate how far its prey is located. Does it do maths just as we do while solving problems? |
| Answer» How does a bat calculate how far its prey is located. Does it do maths just as we do while solving problems? | |
| 10016. |
The velocity-time graph of an object moving in a fixed direction is shown in the figure below. What do you conclude about the object? |
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Answer» The velocity-time graph of an object moving in a fixed direction is shown in the figure below. What do you conclude about the object?
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| 10017. |
Which of the following is/are required for the propagation of sound? |
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Answer» Which of the following is/are required for the propagation of sound? |
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| 10018. |
Select the correct option: Statement 1: Following figure represents the switch in ‘ON’ position. Statement 2: When switch is in ‘ON’ position current does not flow through the circuit. |
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Answer» Select the correct option: Statement 1: Following figure represents the switch in ‘ON’ position.
Statement 2: When switch is in ‘ON’ position current does not flow through the circuit. |
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| 10019. |
State three characteristics of a musical sound |
| Answer» State three characteristics of a musical sound | |
| 10020. |
Audio frequency range of human ear is 20 Hz to 20000 Hz. What is the range of human ear in terms of time period of the wave. |
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Answer» Audio frequency range of human ear is 20 Hz to 20000 Hz. What is the range of human ear in terms of time period of the wave. |
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| 10021. |
State an important characteristic of uniform circular motion. Name the force which brings about uniform circular motion. |
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Answer» State an important characteristic of uniform circular motion. Name the force which brings about uniform circular motion. |
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| 10022. |
If a body is projected horizontally from the top of a building. In 2 second, it falls vertically through a distance of |
| Answer» If a body is projected horizontally from the top of a building. In 2 second, it falls vertically through a distance of | |
| 10023. |
A ball is placed at surface of earth.Now there is no change in velocity in ball so acceleration in ball also 0 then why it's weight is there.Weight is equal to mass x acceleration there is mass but 0 acceleration so weight should also be zero but why it is not zero |
| Answer» A ball is placed at surface of earth.Now there is no change in velocity in ball so acceleration in ball also 0 then why it's weight is there.Weight is equal to mass x acceleration there is mass but 0 acceleration so weight should also be zero but why it is not zero | |
| 10024. |
State the Kepler's laws of planetary motion. |
| Answer» State the Kepler's laws of planetary motion. | |
| 10025. |
The linear magnification produced by a spherical mirror i.e −15. Analysing this value state the (i) type of spherical mirror and (ii) the position of the object with respect to the pole of the mirror. Draw a ray diagram to justify your answer. |
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Answer» The linear magnification produced by a spherical mirror i.e −15. Analysing this value state the (i) type of spherical mirror and (ii) the position of the object with respect to the pole of the mirror. Draw a ray diagram to justify your answer. |
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| 10026. |
A 60 kg skydiver covered a distance of 40 m in 2 seconds. The skydiver is spending a power of___KW. Take acceleration due to gravity 10 m/s2 |
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Answer» A 60 kg skydiver covered a distance of 40 m in 2 seconds. The skydiver is spending a power of |
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| 10027. |
Two identical spheres are placed in contact with each other. If their radii are varied keeping their mass constant, find the relation between gravitational attraction F and radius of the spheres R. Assume the radii of both the spheres to be identical at all instances. |
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Answer» Two identical spheres are placed in contact with each other. If their radii are varied keeping their mass constant, find the relation between gravitational attraction F and radius of the spheres R. Assume the radii of both the spheres to be identical at all instances. |
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| 10028. |
A girl is standing on ground near a horizontally moving conveyor belt. She throws her suitcase horizontally. Such that the initial velocity of suitcase relative to stationary girl is along dotted line shown in top view of conveyor belt. Which of the following arrows represents direction of friction at initial moment. |
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Answer» A girl is standing on ground near a horizontally moving conveyor belt. She throws her suitcase horizontally. Such that the initial velocity of suitcase relative to stationary girl is along dotted line shown in top view of conveyor belt.
Which of the following arrows represents direction of friction at initial moment.
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| 10029. |
A cylinder of mass 20 kg is immersed in the water. It weighs 8 kg in the water. If the area of cross-section is 5 m2, then find out the length of cylinder. (Density of water (ρw)=1000 kg m−3,g=10 m s−2) |
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Answer» A cylinder of mass 20 kg is immersed in the water. It weighs 8 kg in the water. If the area of cross-section is 5 m2, then find out the length of cylinder. |
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| 10030. |
The heights of mercury in a manometer are 2 cm and 8 cm. Find the pressure of the gas in the cylinder? Patm=105 N m−2 The density of mercury, ρm = 13600 kg m−3. Acceleration due to gravity, g=10 m s−2 |
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Answer» The heights of mercury in a manometer are 2 cm and 8 cm. Find the pressure of the gas in the cylinder? Patm=105 N m−2 The density of mercury, ρm = 13600 kg m−3.
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| 10031. |
If A’ is the image of A then the light ray going from B and hitting the mirror at C will intersect the principal axis at which point? |
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Answer» If A’ is the image of A then the light ray going from B and hitting the mirror at C will intersect the principal axis at which point? |
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| 10032. |
The SI unit of energy is : (a) joule (b) coulomb (c) watt (d) ohm-metre |
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Answer» The SI unit of energy is : (a) joule (b) coulomb (c) watt (d) ohm-metre |
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| 10033. |
Why rate of expansion of the universe is accelerating? |
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Answer» Why rate of expansion of the universe is accelerating? |
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| 10034. |
In which of the following cases of motions, the distance moved and the displacement is same? a) If the car is moving on a straight road b) If the car is moving in circular path c) The pendulum is moving to and fro d) The earth is revolving around the sun |
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Answer» In which of the following cases of motions, the distance moved and the displacement is same? |
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| 10035. |
Select the units of upthrust from the following: |
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Answer» Select the units of upthrust from the following: |
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| 10036. |
State the first and second laws of motion. |
| Answer» State the first and second laws of motion. | |
| 10037. |
A boat full of iron scrap is floating on water in a lake . If all iron is dropped into water , level of water will fall dowm. Why ? |
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Answer» A boat full of iron scrap is floating on water in a lake . If all iron is dropped into water , level of water will fall dowm. Why ? |
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| 10038. |
A car starts from Bangalore to Mumbai and returns back to Bangalore again in 20hrs. What are the average velocity and average speed of the car if odometer reading of the car, when it started was 2200 km and when finished was 3800 km? |
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Answer» A car starts from Bangalore to Mumbai and returns back to Bangalore again in 20hrs. What are the average velocity and average speed of the car if odometer reading of the car, when it started was 2200 km and when finished was 3800 km? |
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| 10039. |
A ball is thrown vertically upwards from the top of a tower with an initial velocity of 19.6m/s. The ball reaches the ground after 5s. Calculate 1. The height of the tower 2. The velocity of ball on reaching the ground. (Take g=9.8m/s) |
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Answer» A ball is thrown vertically upwards from the top of a tower with an initial velocity of 19.6m/s. The ball reaches the ground after 5s. Calculate 1. The height of the tower 2. The velocity of ball on reaching the ground. (Take g=9.8m/s) |
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| 10040. |
When light is incident obliquely from one medium to another medium, the direction of light rays in the second medium___. |
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Answer» When light is incident obliquely from one medium to another medium, the direction of light rays in the second medium___. |
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| 10041. |
two objects each of mass 1.5kg moving in a staight line in opposite directions aand the velocity of the object is 2.5 m/s before the collision during which they stick together. what will be the velocitt of the combined object after collision |
| Answer» two objects each of mass 1.5kg moving in a staight line in opposite directions aand the velocity of the object is 2.5 m/s before the collision during which they stick together. what will be the velocitt of the combined object after collision | |
| 10042. |
A bullet hits a wall with a velocity of 20 metres per second and penetrates a distance of 5 cm find the deacceleration in bullet by the wall |
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Answer» A bullet hits a wall with a velocity of 20 metres per second and penetrates a distance of 5 cm find the deacceleration in bullet by the wall |
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| 10043. |
A cyclist goes once a circular track of diameter 105 m in 5 mins. calculate his speed. |
| Answer» A cyclist goes once a circular track of diameter 105 m in 5 mins. calculate his speed. | |
| 10044. |
If first law holds true ., Why does a ball rolling on ground stop on its own |
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Answer» If first law holds true ., Why does a ball rolling on ground stop on its own |
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| 10045. |
A fielder in a game of cricket pulls his hands backwards after taking the catch. This enables the fielder to |
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Answer» A fielder in a game of cricket pulls his hands backwards after taking the catch. This enables the fielder to |
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| 10046. |
Galileo's experiment can be explained by: |
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Answer» Galileo's experiment can be explained by: |
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| 10047. |
A ball dropped in a liquid with some velocity will slow down due to which of the following forces? |
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Answer» A ball dropped in a liquid with some velocity will slow down due to which of the following forces? |
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| 10048. |
A motorcycle is moving with a velocity of 108km/h and it takes 4s to stop after brakes are applied. Calculate the force exerted by the brakes on the car when mass is 1000kg. |
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Answer» A motorcycle is moving with a velocity of 108km/h and it takes 4s to stop after brakes are applied. Calculate the force exerted by the brakes on the car when mass is 1000kg. |
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| 10049. |
What is a Photon |
| Answer» What is a Photon | |
| 10050. |
The ability of the eye to form an image on the retina by adjusting the focal length of the eye lens based on the position of the object is called _____. |
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Answer» The ability of the eye to form an image on the retina by adjusting the focal length of the eye lens based on the position of the object is called _____. |
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