13232 + Interview Questions in Physics

1.	What are electrons
Answer» What are electrons

Discussion

2.	the various physical measurements recorded in an experiment which physical measurement determines the degree of accuracy ??
Answer» the various physical measurements recorded in an experiment which physical measurement determines the degree of accuracy ??

Discussion

3.	Who is the heaviest among Ankit, Peter, Narendra and Nitin? I. Ankit and Peter are of the same weight. II. Peter's weight is more than Narendra but Iess than Nitin.
Answer» Who is the heaviest among Ankit, Peter, Narendra and Nitin? I. Ankit and Peter are of the same weight. II. Peter's weight is more than Narendra but Iess than Nitin.

3.

Who is the heaviest among Ankit, Peter, Narendra and Nitin? I. Ankit and Peter are of the same weight. II. Peter's weight is more than Narendra but Iess than Nitin.

Answer»

Who is the heaviest among Ankit, Peter, Narendra and Nitin?

I. Ankit and Peter are of the same weight.

II. Peter's weight is more than Narendra but Iess than Nitin.

Discussion

4.	Name the radiation which are absorbed by the green house gases.
Answer» Name the radiation which are absorbed by the green house gases.

Discussion

5.	A train travels with a speed of 60 km/h fron station A to B and then comes back with a speed 80km/h from station B to A. Find: (i) the average speed, and (ii) the average velocity of the train.
Answer» A train travels with a speed of 60 km/h fron station A to B and then comes back with a speed 80km/h from station B to A. Find: (i) the average speed, and (ii) the average velocity of the train.

Discussion

6.	Examples of uniform circular motion are_______ a)movement of blades of a fan around a hub b)runn run of an athlete on a circular track with constant velocity c)merry -go-round in a children's park d)revolution of earth around sun
Answer» Examples of uniform circular motion are_______ a)movement of blades of a fan around a hub b)runn run of an athlete on a circular track with constant velocity c)merry -go-round in a children's park d)revolution of earth around sun

6.

Examples of uniform circular motion are_______ a)movement of blades of a fan around a hub b)runn run of an athlete on a circular track with constant velocity c)merry -go-round in a children's park d)revolution of earth around sun

Answer»

Examples of uniform circular motion are_______

a)movement of blades of a fan around a hub

b)runn run of an athlete on a circular track with constant velocity

c)merry -go-round in a children's park

d)revolution of earth around sun

Discussion

7.	The density of copper is 9 g/cm3. Then the volume of 90 g copper is
Answer» The density of copper is 9 g/cm³. Then the volume of 90 g copper is

Discussion

8.	A body of mass 1 kg is placed at a distance of 2 m from another body of mass 10 kg. At what distance from the body of mass 1 kg, another body of mass 5 kg must be placed so that the net gravitational force acting on the body of mass 1 kg is zero?
Answer» A body of mass 1 kg is placed at a distance of 2 m from another body of mass 10 kg. At what distance from the body of mass 1 kg, another body of mass 5 kg must be placed so that the net gravitational force acting on the body of mass 1 kg is zero?

Discussion

9.	Write the formula to calculate the speed of a body moving along a circular path. Give the meaning of each symbol which occurs in it.
Answer» Write the formula to calculate the speed of a body moving along a circular path. Give the meaning of each symbol which occurs in it.

Discussion

10.	If the direction of the initial velocity of the charged particle is neither along nor perpendicular to that of the magnetic field, then the orbit will be
Answer» If the direction of the initial velocity of the charged particle is neither along nor perpendicular to that of the magnetic field, then the orbit will be

Discussion

11.	According to one of the Kepler's laws of planetary motion : (a) r2∝T3 (b) r∝T2 (c) r3∝T2 (d) r3∝1T2
Answer» According to one of the Kepler's laws of planetary motion : (a) $r^{2} \propto T^{3}$ (b) $r \propto T^{2}$ (c) $r^{3} \propto T^{2}$ (d) $r^{3} \propto \frac{1}{T^{2}}$

Discussion

12.	Calculate the frequency of a wave whose time period is 0.02 s.
Answer» Calculate the frequency of a wave whose time period is 0.02 s.

Discussion

13.	The slope of T2 vs l graph for a simple pendulum is___.
Answer» The slope of $T^{2}$ vs $l$ graph for a simple pendulum is___.

Discussion

14.	One calorie is ___ J.
Answer» One calorie is ___ J.

Discussion

15.	Why are optical telescope located in unihabitated place on mountain
Answer» Why are optical telescope located in unihabitated place on mountain

Discussion

16.	Give two examples to explain that motion is relative
Answer» Give two examples to explain that motion is relative

Discussion

17.	How much gravitational force do we exert on the earth?
Answer» How much gravitational force do we exert on the earth?

Discussion

18.	How does speed of sound in air depend on the frequency of sound?
Answer» How does speed of sound in air depend on the frequency of sound?

Discussion

19.	If time travel backward ?
Answer» If time travel backward ?

Discussion

20.	If a person walked at 2 m/s for 12 s he/she would travel a distance of
Answer» If a person walked at 2 m/s for 12 s he/she would travel a distance of

Discussion

21.	What is the difference between mass and weight
Answer» What is the difference between mass and weight

Discussion

22.	Starting from rest heavier objects require more force to cover the same distance as lighter objects, in the same time. Which law can explain this scenario?
Answer» Starting from rest heavier objects require more force to cover the same distance as lighter objects, in the same time. Which law can explain this scenario?

Discussion

23.	What is an echo?
Answer» What is an echo?

Discussion

24.	Which of the following constellations belong to the family of the twelve zodiac signs?
Answer» Which of the following constellations belong to the family of the twelve zodiac signs?

Discussion

25.	A cylinder of mass 100 kg is immersed in the water. It weighs 80 kg in the water. If the area of cross-section is 8 m2, then find out the length of cylinder. Density of water, ρw=1000 kg m−3 Acceleration due to gravity, g=10 m s−2
Answer» A cylinder of mass $100 k g$ is immersed in the water. It weighs $80 k g$ in the water. If the area of cross-section is $8 m^{2}$ , then find out the length of cylinder. Density of water, $ρ_{w} = 1000 k g m^{- 3}$ Acceleration due to gravity, $g = 10 m s^{- 2}$

Discussion

26.	Value of (2.28)3 + (7.72)3 is
Answer» Value of (2.28)³ + (7.72)³ is

Discussion

27.	The following time-velocity graph (fig.) represents
Answer» The following time-velocity graph (fig.) represents

27.

The following time-velocity graph (fig.) represents

Answer»

The following time-velocity graph (fig.) represents

Discussion

28.	Explain the terms Noise and Music. Give examples for each. [3 MARKS]
Answer» Explain the terms Noise and Music. Give examples for each. [3 MARKS]

Discussion

29.	When a carpet is beaten with a stick, dust comes out of it. Explain why this happens? [2 MARKS]
Answer» When a carpet is beaten with a stick, dust comes out of it. Explain why this happens? [2 MARKS]

Discussion

30.	Match the following measuring instruments with their typical values of least counts.
Answer» Match the following measuring instruments with their typical values of least counts.

Discussion

31.	If 2 bodies a car & a truck are moving in same direction ( no external force is applied ) so how are they moving in same direction because no gravity should be there & if in space they can’t move in same direction they might be footing?
Answer» If 2 bodies a car & a truck are moving in same direction ( no external force is applied ) so how are they moving in same direction because no gravity should be there & if in space they can’t move in same direction they might be footing?

Discussion

32.	Which of the following is/are the non-contact force(s)?
Answer» Which of the following is/are the non-contact force(s)?

Discussion

33.	If a compass is taken inside a bar magnet exactly at the centre, then in which direction will it point?
Answer» If a compass is taken inside a bar magnet exactly at the centre, then in which direction will it point?

33.

If a compass is taken inside a bar magnet exactly at the centre, then in which direction will it point?

Answer»

If a compass is taken inside a bar magnet exactly at the centre, then in which direction will it point?

Discussion

34.	When light is incident obliquely, from a medium of lower optical density to that of greater optical density,
Answer» When light is incident obliquely, from a medium of lower optical density to that of greater optical density,

Discussion

35.	A body floats or sinks in a liquid due to the difference in their:
Answer» A body floats or sinks in a liquid due to the difference in their:

Discussion

36.	Relate 1Kwh with joules.
Answer» Relate 1Kwh with joules.

Discussion

37.	A dimensionless quantity:
Answer» A dimensionless quantity:

Discussion

38.	A solid weighs 32 g in air and 28.8 g in water. Find how much will it weigh in a liquid of relative density 0.9.
Answer» A solid weighs 32 g in air and 28.8 g in water. Find how much will it weigh in a liquid of relative density 0.9.

Discussion

39.	What is the mechanism to pass sound wave in air?
Answer» What is the mechanism to pass sound wave in air?

Discussion

40.	Why does an electric fan continue to rotate for sometime after the current is switched off??
Answer» Why does an electric fan continue to rotate for sometime after the current is switched off??

Discussion

41.	the diameter of neck and bottom of a bottle are 2cm and 10cm respectively. the bottle is completely filled with oil.if the cork in the neck is pressed in with a force of 1.2kgf,what will be the force exerted on the bottom of the bottle
Answer» the diameter of neck and bottom of a bottle are 2cm and 10cm respectively. the bottle is completely filled with oil.if the cork in the neck is pressed in with a force of 1.2kgf,what will be the force exerted on the bottom of the bottle

Discussion

42.	An object has moved through a distance can it have zero displacement
Answer» An object has moved through a distance can it have zero displacement

Discussion

43.	A solid weighs 80 gram in air and 64 gram in water. Calculate the relative density of solid.
Answer» A solid weighs 80 gram in air and 64 gram in water. Calculate the relative density of solid.

Discussion

44.	A boy who weighs 40 Kgs climbs a rope through a height 10 m in 20 seconds. Find his power. 196
Answer» A boy who weighs 40 Kgs climbs a rope through a height 10 m in 20 seconds. Find his power. 196

Discussion

45.	An empty plastic bottle floats, while a plastic bottle filled with sand sinks in water because
Answer» An empty plastic bottle floats, while a plastic bottle filled with sand sinks in water because

Discussion

46.	When a copper wire is stretched, how does the resistance between its ends change?
Answer» When a copper wire is stretched, how does the resistance between its ends change?

Discussion

47.	Green Revolution initiated by ______.
Answer» Green Revolution initiated by ______.

Discussion

48.	F = [Km * (V-U)]/t; can be rewritten as:
Answer» F = [Km * (V-U)]/t; can be rewritten as:

Discussion

49.	A wooden cube of side 10 m floats in water with 3 m of its vertical edge lying above the surface of water. The mass of water displaced by the cube is : (Take g = 10 ms−2 and density of water = 1000 kgm−3)
Answer» A wooden cube of side 10 m floats in water with 3 m of its vertical edge lying above the surface of water. The mass of water displaced by the cube is : (Take g = 10 $m s^{- 2}$ and density of water = 1000 $k g m^{- 3}$ )

Discussion

50.	Define a kilowatt hour. How is it related to joule?
Answer» Define a kilowatt hour. How is it related to joule?

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

What are electrons

the various physical measurements recorded in an experiment which physical measurement determines the degree of accuracy ??

Who is the heaviest among Ankit, Peter, Narendra and Nitin? I. Ankit and Peter are of the same weight. II. Peter's weight is more than Narendra but Iess than Nitin.

Name the radiation which are absorbed by the green house gases.

A train travels with a speed of 60 km/h fron station A to B and then comes back with a speed 80km/h from station B to A. Find: (i) the average speed, and (ii) the average velocity of the train.

Examples of uniform circular motion are_______ a)movement of blades of a fan around a hub b)runn run of an athlete on a circular track with constant velocity c)merry -go-round in a children's park d)revolution of earth around sun

The density of copper is 9 g/cm3. Then the volume of 90 g copper is

A body of mass 1 kg is placed at a distance of 2 m from another body of mass 10 kg. At what distance from the body of mass 1 kg, another body of mass 5 kg must be placed so that the net gravitational force acting on the body of mass 1 kg is zero?

Write the formula to calculate the speed of a body moving along a circular path. Give the meaning of each symbol which occurs in it.

If the direction of the initial velocity of the charged particle is neither along nor perpendicular to that of the magnetic field, then the orbit will be

According to one of the Kepler's laws of planetary motion : (a) r2∝T3 (b) r∝T2 (c) r3∝T2 (d) r3∝1T2

Calculate the frequency of a wave whose time period is 0.02 s.

The slope of T2 vs l graph for a simple pendulum is___.

One calorie is ___ J.

Why are optical telescope located in unihabitated place on mountain

Give two examples to explain that motion is relative

How much gravitational force do we exert on the earth?

How does speed of sound in air depend on the frequency of sound?

If time travel backward ?

If a person walked at 2 m/s for 12 s he/she would travel a distance of

What is the difference between mass and weight

Starting from rest heavier objects require more force to cover the same distance as lighter objects, in the same time. Which law can explain this scenario?

What is an echo?

Which of the following constellations belong to the family of the twelve zodiac signs?

A cylinder of mass 100 kg is immersed in the water. It weighs 80 kg in the water. If the area of cross-section is 8 m2, then find out the length of cylinder. Density of water, ρw=1000 kg m−3 Acceleration due to gravity, g=10 m s−2

Value of (2.28)3 + (7.72)3 is

The following time-velocity graph (fig.) represents

Explain the terms Noise and Music. Give examples for each. [3 MARKS]

When a carpet is beaten with a stick, dust comes out of it. Explain why this happens? [2 MARKS]

Match the following measuring instruments with their typical values of least counts.

If 2 bodies a car & a truck are moving in same direction ( no external force is applied ) so how are they moving in same direction because no gravity should be there & if in space they can’t move in same direction they might be footing?

Which of the following is/are the non-contact force(s)?

If a compass is taken inside a bar magnet exactly at the centre, then in which direction will it point?

When light is incident obliquely, from a medium of lower optical density to that of greater optical density,

A body floats or sinks in a liquid due to the difference in their:

Relate 1Kwh with joules.

A dimensionless quantity:

A solid weighs 32 g in air and 28.8 g in water. Find how much will it weigh in a liquid of relative density 0.9.

What is the mechanism to pass sound wave in air?

Why does an electric fan continue to rotate for sometime after the current is switched off??

the diameter of neck and bottom of a bottle are 2cm and 10cm respectively. the bottle is completely filled with oil.if the cork in the neck is pressed in with a force of 1.2kgf,what will be the force exerted on the bottom of the bottle

An object has moved through a distance can it have zero displacement

A solid weighs 80 gram in air and 64 gram in water. Calculate the relative density of solid.

A boy who weighs 40 Kgs climbs a rope through a height 10 m in 20 seconds. Find his power. 196

An empty plastic bottle floats, while a plastic bottle filled with sand sinks in water because

When a copper wire is stretched, how does the resistance between its ends change?

Green Revolution initiated by ______.

F = [Km * (V-U)]/t; can be rewritten as:

A wooden cube of side 10 m floats in water with 3 m of its vertical edge lying above the surface of water. The mass of water displaced by the cube is : (Take g = 10 ms−2 and density of water = 1000 kgm−3)

Define a kilowatt hour. How is it related to joule?