3752 + Interview Questions in Physics Page 23 InterviewSolution

1101.	How many planets are larger than the Earth? Name them.
Answer» How many planets are larger than the Earth? Name them.

Discussion

1102.	How does the sound produced by a vibrating object in a medium reach your ears?
Answer» How does the sound produced by a vibrating object in a medium reach your ears?

Discussion

1103.	What is the angle of inclination of the axis of rotation of Earth in degrees?23.5
Answer» What is the angle of inclination of the axis of rotation of Earth in degrees? 23.5

Discussion

1104.	Question 12In the circuit shown in Fig, when the key is closed, the compass needle placed in the matchbox deflects. Name the force which causes this deflection.
Answer» Question 12 In the circuit shown in Fig, when the key is closed, the compass needle placed in the matchbox deflects. Name the force which causes this deflection.

Discussion

1105.	Virat is given the task of measuring a snake-like steel rod which looks like the figure shown below. Which of the following instruments should he use for the measurement?
Answer» Virat is given the task of measuring a snake-like steel rod which looks like the figure shown below. Which of the following instruments should he use for the measurement?

1105.

Virat is given the task of measuring a snake-like steel rod which looks like the figure shown below. Which of the following instruments should he use for the measurement?

Answer»

Virat is given the task of measuring a snake-like steel rod which looks like the figure shown below.

Which of the following instruments should he use for the measurement?

Discussion

1106.	Find the area of the given figure by counting squares:
Answer» Find the area of the given figure by counting squares:

1106.

Find the area of the given figure by counting squares:

Answer»

Find the area of the given figure by counting squares:

Discussion

1107.	Which of the following causes epidemics as its after-effect?
Answer» Which of the following causes epidemics as its after-effect?

Discussion

1108.	A long magnetic needle of length 2L, magnetic moment M and pole strength m units is broken into two pieces at the middle along its length. The magnetic moment and pole strength of each piece will be
Answer» A long magnetic needle of length $2 L$ , magnetic moment $M$ and pole strength $m$ units is broken into two pieces at the middle along its length. The magnetic moment and pole strength of each piece will be

Discussion

1109.	Explain luminous and illuminated objects with examples
Answer» Explain luminous and illuminated objects with examples

Discussion

1110.	Which of the following resource is/are not exhaustible?
Answer» Which of the following resource is/are not exhaustible?

Discussion

1111.	Every periodic motion is a uniform motion. Explain.
Answer» Every periodic motion is a uniform motion. Explain.

Discussion

1112.	Question 01Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain.
Answer» Question 01 Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain.

Discussion

1113.	A car travels 30 km at a uniform speed of 40 km/h and the next 30 km at a uniform speed of 20 km/h. Find its average speed.
Answer» A car travels $30 k m$ at a uniform speed of $40 k m / h$ and the next $30 k m$ at a uniform speed of $20 k m / h$ . Find its average speed.

Discussion

1114.	magnetis
Answer» magnetis

Discussion

1115.	SI unit of length is:
Answer» SI unit of length is:

Discussion

1116.	Two like magnetic poles of strength 10 and 4separated by a distance 30 cm. The intensity of magneticfield is zero on the line joining them(a) At a point 10 cm from the stronger pole(bAt a point 20 cm from the stronger pole(c) At the mid-point(d) At infinity
Answer» Two like magnetic poles of strength 10 and 4separated by a distance 30 cm. The intensity of magneticfield is zero on the line joining them(a) At a point 10 cm from the stronger pole(bAt a point 20 cm from the stronger pole(c) At the mid-point(d) At infinity

Discussion

1117.	Why does the shielding effect does not increase across a period
Answer» Why does the shielding effect does not increase across a period

Discussion

1118.	Force and displcement are perpendicular to each other.What is the work don
Answer» Force and displcement are perpendicular to each other.What is the work don

Discussion

1119.	The area of a square of side 14 cm will be:
Answer» The area of a square of side $14 c m$ will be:

Discussion

1120.	What do you mean by opaque, transparent and translucent objects? Give one example for each of them. [5 MARKS]
Answer» What do you mean by opaque, transparent and translucent objects? Give one example for each of them. [5 MARKS]

Discussion

1121.	How is a clinical thermometer different from a laboratory thermometer? [3 MARKS]
Answer» How is a clinical thermometer different from a laboratory thermometer? [3 MARKS]

Discussion

1122.	A dry cell is source of ___________ energy.
Answer» A dry cell is source of ___________ energy.

Discussion

1123.	Which of the following are optical instruments?
Answer» Which of the following are optical instruments?

Discussion

1124.	Some words describe actions. Many of them end in -ly.The girl danced beautifully.Fill in the blanks by changing the word in the brackets suitably.(i) The girl slept ________. [sound](ii) The children finished their work ________. [quick](iii) The old man shouted ________. [loud](iv) The boys played ________. [quiet](v) Do your work ________. [neat](vi) I can do the sum ________. [easy]
Answer» Some words describe actions. Many of them end in -ly. The girl danced beautifully. Fill in the blanks by changing the word in the brackets suitably. (i) The girl slept ________. [sound] (ii) The children finished their work ________. [quick] (iii) The old man shouted ________. [loud] (iv) The boys played ________. [quiet] (v) Do your work ________. [neat] (vi) I can do the sum ________. [easy]

1124.

Some words describe actions. Many of them end in -ly.The girl danced beautifully.Fill in the blanks by changing the word in the brackets suitably.(i) The girl slept . [sound](ii) The children finished their work . [quick](iii) The old man shouted . [loud](iv) The boys played . [quiet](v) Do your work . [neat](vi) I can do the sum . [easy]

Answer»

Some words describe actions. Many of them end in -ly.

The girl danced beautifully.

Fill in the blanks by changing the word in the brackets suitably.

(i) The girl slept ________. [sound]

(ii) The children finished their work ________. [quick]

(iii) The old man shouted ________. [loud]

(iv) The boys played ________. [quiet]

(v) Do your work ________. [neat]

(vi) I can do the sum ________. [easy]

Discussion

1125.	THE MEAN DISTANCE OF EARTH FROM THE SUN IS 1.496X10^8km AND ITS SIDERAL REVOLUTION PERIOD IS 365.3 DAYS .THE SIDERAL REVOLUTION PERIODS OF THE PLANETS VENUS AND MARS ARE 224.7 AND 687.0 DAYS RESPECTIVELY.ESTIMATE THE MEAN DISTANCES OF THIS PLANET FROM THE SUN.
Answer» THE MEAN DISTANCE OF EARTH FROM THE SUN IS 1.496X10^8km AND ITS SIDERAL REVOLUTION PERIOD IS 365.3 DAYS .THE SIDERAL REVOLUTION PERIODS OF THE PLANETS VENUS AND MARS ARE 224.7 AND 687.0 DAYS RESPECTIVELY.ESTIMATE THE MEAN DISTANCES OF THIS PLANET FROM THE SUN.

Discussion

1126.	Q.Magnetic nature of SO3 &SO4 (a) pramagnetic,paramagnetic (b) diamagnetic,diamagnetic (c) paramagnetic,diamagnetic (d)diamagnetic ,paramagnetic.
Answer» Q.Magnetic nature of SO3 &SO4 (a) pramagnetic,paramagnetic (b) diamagnetic,diamagnetic (c) paramagnetic,diamagnetic (d)diamagnetic ,paramagnetic.

Discussion

1127.	Velocity Ratio is defined as
Answer» Velocity Ratio is defined as

Discussion

1128.	A wet open umbrella is held vertical & is whirled about the handle at uniform rate of 21 rev in 44 sec . if the rim of umbrella is a circle of 1 m in diameter & the height of the rim above the floor is 4. 9 m , then the angular speed of umbrella?
Answer» A wet open umbrella is held vertical & is whirled about the handle at uniform rate of 21 rev in 44 sec . if the rim of umbrella is a circle of 1 m in diameter & the height of the rim above the floor is 4. 9 m , then the angular speed of umbrella?

Discussion

1129.	Assertion: Electric field lines never form closed loop. Reason: Work done in a closed path by a conservative force is always zero a) If both Assertion and Reason are true, and Reason is the correct explanation of Assertion. b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion. c) If Assertion is true but Reason is false. d) Both Assertion and Reason are false.
Answer» Assertion: Electric field lines never form closed loop. Reason: Work done in a closed path by a conservative force is always zero a) If both Assertion and Reason are true, and Reason is the correct explanation of Assertion. b) If both Assertion and Reason are true but Reason is not the correct explanation of Assertion. c) If Assertion is true but Reason is false. d) Both Assertion and Reason are false.

Discussion

1130.	If you can see the faint glow of a lighted torch through an object, but not the torch itself, is the substance opaque, translucent or transparent?
Answer» If you can see the faint glow of a lighted torch through an object, but not the torch itself, is the substance opaque, translucent or transparent?

Discussion

1131.	how much lime can be obtained by heating 200kg of limestone which is 95% pur
Answer» how much lime can be obtained by heating 200kg of limestone which is 95% pur

Discussion

1132.	Which of the following is the unit of speed?
Answer» Which of the following is the unit of speed?

Discussion

1133.	When two surfaces of different materials are rubbed against each other, the surface that gets scratched easily is:
Answer» When two surfaces of different materials are rubbed against each other, the surface that gets scratched easily is:

Discussion

1134.	A beam of light consists of several rays. True or false?
Answer» A beam of light consists of several rays. True or false?

Discussion

1135.	24. Two blocks of mass m1 and m2 are connected by a spring K, if we make the block with m1 move with velocity v1 towards block with mass m2 which is at rest, then find the compression in spring k
Answer» 24. Two blocks of mass m1 and m2 are connected by a spring K, if we make the block with m1 move with velocity v1 towards block with mass m2 which is at rest, then find the compression in spring k

Discussion

1136.	Find the smaller distance of the vertex of the shrunk square of area 34 sq. cm from the vertex of the original square having a side of 8 cm.
Answer» Find the smaller distance of the vertex of the shrunk square of area 34 sq. cm from the vertex of the original square having a side of 8 cm.

Discussion

1137.	If the magnetic dipole moment and susceptibility of an atom of diamagnetic material and paramagnetic materials are denoted by μd, μp and χd, χp respectively, then
Answer» If the magnetic dipole moment and susceptibility of an atom of diamagnetic material and paramagnetic materials are denoted by $μ_{d}, μ_{p}$ and $χ_{d}, χ_{p}$ respectively, then

Discussion

1138.	Why can electricity not flow in an open circuit?
Answer» Why can electricity not flow in an open circuit?

Discussion

1139.	State three features of moon and mercury that have close resemblance. [3 MARKS]
Answer» State three features of moon and mercury that have close resemblance. [3 MARKS]

Discussion

1140.	The displacement-time graph for a body with non-uniform motion is a _____.
Answer» The displacement-time graph for a body with non-uniform motion is a _____.

Discussion

1141.	In the experiment, why is the hole made in the wooden box?
Answer» In the experiment, why is the hole made in the wooden box?

Discussion

1142.	18. What is linear eqation
Answer» 18. What is linear eqation

Discussion

1143.	Lodestone is an example of:-
Answer» Lodestone is an example of:-

Discussion

1144.	Why asteroids burn on entering atmosphere?
Answer» Why asteroids burn on entering atmosphere?

Discussion

1145.	A rod of length L and radius R is joined to a rod of length L by 2 and radius R by two of same material the free end of small rod is fixed to a rigid base and the free end of larger rod is given a twist of theta degree. the twist angle at the joint will be
Answer» A rod of length L and radius R is joined to a rod of length L by 2 and radius R by two of same material the free end of small rod is fixed to a rigid base and the free end of larger rod is given a twist of theta degree. the twist angle at the joint will be

Discussion

1146.	Figure shows an oscillating pendulum. Time taken by the bob to move from A to C is t1 and from C to O is t2. The time period of this simple pendulum is
Answer» Figure shows an oscillating pendulum. Time taken by the bob to move from A to C is $t_{1}$ and from C to O is $t_{2}$ . The time period of this simple pendulum is

Discussion

1147.	What is the volume of the given cuboid? Area of each side of smaller cube is 1 cm2.
Answer» What is the volume of the given cuboid? Area of each side of smaller cube is $1 c m^{2}$ .

Discussion

1148.	Suggest measures in following situations.To minimize electricity consumption at home.
Answer» Suggest measures in following situations. To minimize electricity consumption at home.

1148.

Suggest measures in following situations.To minimize electricity consumption at home.

Answer»

Suggest measures in following situations.

To minimize electricity consumption at home.

Discussion

1149.	Which of these is true for an image?(a) It is formed when light is blocked by an opaque object.(b) It is formed when light passes through a transparent object.(c) It is of the same shape and colour as the object.(d) It is always black.
Answer» Which of these is true for an image? (a) It is formed when light is blocked by an opaque object. (b) It is formed when light passes through a transparent object. (c) It is of the same shape and colour as the object. (d) It is always black.

Discussion

1150.	The diagram shows the use of a lever. If FA = 10 cm, AB = 500 cm, calculate the minimum effort required to lift the load.
Answer» The diagram shows the use of a lever. If FA = 10 cm, AB = 500 cm, calculate the minimum effort required to lift the load.

1150.

The diagram shows the use of a lever. If FA = 10 cm, AB = 500 cm, calculate the minimum effort required to lift the load.

Answer»

The diagram shows the use of a lever. If FA = 10 cm, AB = 500 cm, calculate the minimum effort required to lift the load.

Discussion

Explore topic-wise InterviewSolutions in .

How many planets are larger than the Earth? Name them.

How does the sound produced by a vibrating object in a medium reach your ears?

What is the angle of inclination of the axis of rotation of Earth in degrees?23.5

Question 12In the circuit shown in Fig, when the key is closed, the compass needle placed in the matchbox deflects. Name the force which causes this deflection.

Virat is given the task of measuring a snake-like steel rod which looks like the figure shown below. Which of the following instruments should he use for the measurement?

Find the area of the given figure by counting squares:

Which of the following causes epidemics as its after-effect?

A long magnetic needle of length 2L, magnetic moment M and pole strength m units is broken into two pieces at the middle along its length. The magnetic moment and pole strength of each piece will be

Explain luminous and illuminated objects with examples

Which of the following resource is/are not exhaustible?

Every periodic motion is a uniform motion. Explain.

Question 01Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain.

A car travels 30 km at a uniform speed of 40 km/h and the next 30 km at a uniform speed of 20 km/h. Find its average speed.

magnetis

SI unit of length is:

Two like magnetic poles of strength 10 and 4separated by a distance 30 cm. The intensity of magneticfield is zero on the line joining them(a) At a point 10 cm from the stronger pole(bAt a point 20 cm from the stronger pole(c) At the mid-point(d) At infinity

Why does the shielding effect does not increase across a period

Force and displcement are perpendicular to each other.What is the work don

The area of a square of side 14 cm will be:

What do you mean by opaque, transparent and translucent objects? Give one example for each of them. [5 MARKS]

How is a clinical thermometer different from a laboratory thermometer? [3 MARKS]

A dry cell is source of ___________ energy.

Which of the following are optical instruments?

THE MEAN DISTANCE OF EARTH FROM THE SUN IS 1.496X10^8km AND ITS SIDERAL REVOLUTION PERIOD IS 365.3 DAYS .THE SIDERAL REVOLUTION PERIODS OF THE PLANETS VENUS AND MARS ARE 224.7 AND 687.0 DAYS RESPECTIVELY.ESTIMATE THE MEAN DISTANCES OF THIS PLANET FROM THE SUN.

Q.Magnetic nature of SO3 &SO4 (a) pramagnetic,paramagnetic (b) diamagnetic,diamagnetic (c) paramagnetic,diamagnetic (d)diamagnetic ,paramagnetic.

Velocity Ratio is defined as

A wet open umbrella is held vertical & is whirled about the handle at uniform rate of 21 rev in 44 sec . if the rim of umbrella is a circle of 1 m in diameter & the height of the rim above the floor is 4. 9 m , then the angular speed of umbrella?

If you can see the faint glow of a lighted torch through an object, but not the torch itself, is the substance opaque, translucent or transparent?

how much lime can be obtained by heating 200kg of limestone which is 95% pur

Which of the following is the unit of speed?

When two surfaces of different materials are rubbed against each other, the surface that gets scratched easily is:

A beam of light consists of several rays. True or false?

24. Two blocks of mass m1 and m2 are connected by a spring K, if we make the block with m1 move with velocity v1 towards block with mass m2 which is at rest, then find the compression in spring k

Find the smaller distance of the vertex of the shrunk square of area 34 sq. cm from the vertex of the original square having a side of 8 cm.

If the magnetic dipole moment and susceptibility of an atom of diamagnetic material and paramagnetic materials are denoted by μd, μp and χd, χp respectively, then

Why can electricity not flow in an open circuit?

State three features of moon and mercury that have close resemblance. [3 MARKS]

The displacement-time graph for a body with non-uniform motion is a _____.

In the experiment, why is the hole made in the wooden box?

18. What is linear eqation

Lodestone is an example of:-

Why asteroids burn on entering atmosphere?

A rod of length L and radius R is joined to a rod of length L by 2 and radius R by two of same material the free end of small rod is fixed to a rigid base and the free end of larger rod is given a twist of theta degree. the twist angle at the joint will be

Figure shows an oscillating pendulum. Time taken by the bob to move from A to C is t1 and from C to O is t2. The time period of this simple pendulum is

What is the volume of the given cuboid? Area of each side of smaller cube is 1 cm2.

Suggest measures in following situations.To minimize electricity consumption at home.

Which of these is true for an image?(a) It is formed when light is blocked by an opaque object.(b) It is formed when light passes through a transparent object.(c) It is of the same shape and colour as the object.(d) It is always black.

The diagram shows the use of a lever. If FA = 10 cm, AB = 500 cm, calculate the minimum effort required to lift the load.