6277 + Interview Questions in Physics Page 123 InterviewSolution

6101.	A brass tumbler feels much colder than a wooden tray on a chilly day. Explain why.
Answer» A brass tumbler feels much colder than a wooden tray on a chilly day. Explain why.

Discussion

6102.	Which of the following experiences only cubical expansion on heating?
Answer» Which of the following experiences only cubical expansion on heating?

Discussion

6103.	Which of the following is used to check whether a body is charged or not?
Answer» Which of the following is used to check whether a body is charged or not?

Discussion

6104.	Boiling is a __________ phenomenon.
Answer» Boiling is a __________ phenomenon.

Discussion

6105.	Desrcible an activity that air exerts pressure ?
Answer» Desrcible an activity that air exerts pressure ?

Discussion

6106.	A van starts from rest, accelerates uniformly and attains a speed of 20 m/s in 25 seconds. What is the acceleration of the van?
Answer» A van starts from rest, accelerates uniformly and attains a speed of $20 m / s$ in $25$ seconds. What is the acceleration of the van?

Discussion

6107.	Identify the proper noun in the sentence. Molly loved the sound of chirping birds in the morning.
Answer» Identify the proper noun in the sentence. Molly loved the sound of chirping birds in the morning.

6107.

Identify the proper noun in the sentence. Molly loved the sound of chirping birds in the morning.

Answer»

Identify the proper noun in the sentence.

Molly loved the sound of chirping birds in the morning.

Discussion

6108.	A monkey jumps from ground into the air. At the maximum heigtht that it attains, what is true about its instantaneous velocity and acceleration?
Answer» A monkey jumps from ground into the air. At the maximum heigtht that it attains, what is true about its instantaneous velocity and acceleration?

Discussion

6109.	In a medical shop the shopkeeper uses a strategy of using the old newspapers to make paper bags to carry medicine. Which among the 3 R's strategies does the shopkeeper practise to conserve the natural resources?
Answer» In a medical shop the shopkeeper uses a strategy of using the old newspapers to make paper bags to carry medicine. Which among the 3 R's strategies does the shopkeeper practise to conserve the natural resources?

Discussion

6110.	How much heat is absorbed by a 20 g granite piece as energy from the sun causes its temperature to change from 10C to 29C ( specif heat capacity of granite is 0.1 cal g-1 C-1
Answer» How much heat is absorbed by a 20 g granite piece as energy from the sun causes its temperature to change from 10C to 29C ( specif heat capacity of granite is 0.1 cal g-1 C-1

Discussion

6111.	A big shinny spoon is a good example of
Answer» A big shinny spoon is a good example of

Discussion

6112.	The word 'AMBULANCE' written on an ambulance reads correctly when reflected in a rear view mirror whereas the number plate does not. Why?
Answer» The word 'AMBULANCE' written on an ambulance reads correctly when reflected in a rear view mirror whereas the number plate does not. Why?

Discussion

6113.	An insect moves along a circular path of radius 10 cm with a constant speed. If it takes 1 minute to move from a point on the path to the diametrically opposite point, then the distance covered, speed, displacement and velocity respectively are
Answer» An insect moves along a circular path of radius 10 cm with a constant speed. If it takes 1 minute to move from a point on the path to the diametrically opposite point, then the distance covered, speed, displacement and velocity respectively are

Discussion

6114.	An image that cannot be obtained on a screen is called a ________ image.
Answer» An image that cannot be obtained on a screen is called a ________ image.

Discussion

6115.	A trekker climbs up a mountain with a barometer. As he goes up, the mercury column ____.
Answer» A trekker climbs up a mountain with a barometer. As he goes up, the mercury column ____.

Discussion

6116.	The A, B, and C vessels are filled with the liquid of the same height. The bottom area of A is equal to the bottom area of B and is less than the bottom area of C. Which of the following relation is correct for the value of the force at the bottom? (FA,FB and FC are the force values at the bottom for A, B and C respectively.)
Answer» The A, B, and C vessels are filled with the liquid of the same height. The bottom area of A is equal to the bottom area of B and is less than the bottom area of C. Which of the following relation is correct for the value of the force at the bottom? ( $F_{A}, F_{B} and F_{C}$ are the force values at the bottom for A, B and C respectively.)

Discussion

6117.	What is electroplating?
Answer» What is electroplating?

Discussion

6118.	Which term is defined as the "measure of how packed the atoms of a substance are"?
Answer» Which term is defined as the "measure of how packed the atoms of a substance are"?

Discussion

6119.	If a rock is brought from the surface of the moon,
Answer» If a rock is brought from the surface of the moon,

Discussion

6120.	Which of the following represents the correct symbol for an electric cell?
Answer» Which of the following represents the correct symbol for an electric cell?

6120.

Which of the following represents the correct symbol for an electric cell?

Answer»

Which of the following represents the correct symbol for an electric cell?

Discussion

6121.	Charge on 6 μF capacitor is.
Answer» Charge on $6 μ F$ capacitor is.

Discussion

6122.	An iron bar is not a good standard of measurement because:
Answer» An iron bar is not a good standard of measurement because:

Discussion

6123.	What is the time taken by a 90 m long train travelling at a speed of 18 km/hr to cross a bridge of length 270 m?
Answer» What is the time taken by a 90 m long train travelling at a speed of 18 km/hr to cross a bridge of length 270 m?

Discussion

6124.	Ram wants to make a magnet. Which one of these materials is not useful for him?
Answer» Ram wants to make a magnet. Which one of these materials is not useful for him?

Discussion

6125.	An auto travels the first halftime with a uniform speed u and the next halftime with a uniform speed v. Find its average speed.
Answer» An auto travels the first halftime with a uniform speed $u$ and the next halftime with a uniform speed $v$ . Find its average speed.

Discussion

6126.	Himanshu went out for a long drive on a weekend. From 10:00 PM to 11:00 PM, he drove at 40 kmph, and from 11:00 PM to 12:00 AM at 50 kmph. Select the graph that represents his motion correctly.
Answer» Himanshu went out for a long drive on a weekend. From $10 : 00 PM$ to $11 : 00 PM$ , he drove at $40 kmph$ , and from $11 : 00 PM$ to $12 : 00 AM$ at $50 kmph$ . Select the graph that represents his motion correctly.

Discussion

6127.	While measureing temperature of boiling water,sweta found the temperature to be 85°C only. What can be the probable reason for this?
Answer» While measureing temperature of boiling water,sweta found the temperature to be 85°C only. What can be the probable reason for this?

Discussion

6128.	i am unable to understand how to make a periscope
Answer» i am unable to understand how to make a periscope

Discussion

6129.	Tangential force produces
Answer» Tangential force produces

Discussion

6130.	What happens if you place a compass near a current carrying conducting wire?
Answer» What happens if you place a compass near a current carrying conducting wire?

Discussion

6131.	If I place a turbine in a fast flowing stream of the river without building a dam. What will be the energy conversion?
Answer» If I place a turbine in a fast flowing stream of the river without building a dam. What will be the energy conversion?

Discussion

6132.	Question 10 A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. Affect observed in each case is stated in Column I. Possible reasons for the observed affects are mentioned in Column II. Match the statements given in Column I with those in Column II.
Answer» Question 10 A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. Affect observed in each case is stated in Column I. Possible reasons for the observed affects are mentioned in Column II. Match the statements given in Column I with those in Column II.

6132.

Question 10 A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. Affect observed in each case is stated in Column I. Possible reasons for the observed affects are mentioned in Column II. Match the statements given in Column I with those in Column II.

Answer»

Question 10

A magnet was brought from different directions towards a toy boat that has been floating in water in a tub. Affect observed in each case is stated in Column I. Possible reasons for the observed affects are mentioned in Column II. Match the statements given in Column I with those in Column II.

Discussion

6133.	When classified according to seasons, one season has ___ nakshatras.
Answer» When classified according to seasons, one season has ___ nakshatras.

Discussion

6134.	A ball is thrown upwards with a velocity of 10 m/s. Find the maximum height reached by the ball. Assume acceleration due to gravity g=10m/s2.
Answer» A ball is thrown upwards with a velocity of 10 m/s. Find the maximum height reached by the ball. Assume acceleration due to gravity $g = 10 m / s^{2}$ .

Discussion

6135.	Fuel that is used in the thermal power plant is:
Answer» Fuel that is used in the thermal power plant is:

Discussion

6136.	What will happen if there are air bubbles in the tube while measuring atmospheric pressure?
Answer» What will happen if there are air bubbles in the tube while measuring atmospheric pressure?

Discussion

6137.	Which of the following statement is true?
Answer» Which of the following statement is true?

Discussion

6138.	Which of the following is not exhibited by a rotating fan?
Answer» Which of the following is not exhibited by a rotating fan?

Discussion

6139.	Which of the following is the most stable?
Answer» Which of the following is the most stable?

6139.

Which of the following is the most stable?

Answer»

Which of the following is the most stable?

Discussion

6140.	Why does a electric bulb glow in yellow and CFLs in white colours?
Answer» Why does a electric bulb glow in yellow and CFLs in white colours?

Discussion

6141.	What would be the angle of incidence, if the reflected ray makes an angle of 120∘ with incident ray?
Answer» What would be the angle of incidence, if the reflected ray makes an angle of $120^{\circ}$ with incident ray?

Discussion

6142.	_______ are the non-renewable resources. Once finished, they can never be replaced.
Answer» _______ are the non-renewable resources. Once finished, they can never be replaced.

Discussion

6143.	The isothermal bulk modulus of a gas at atmospheric pressure is
Answer» The isothermal bulk modulus of a gas at atmospheric pressure is

6143.

The isothermal bulk modulus of a gas at atmospheric pressure is

Answer»

The isothermal bulk modulus of a gas at atmospheric pressure is

Discussion

6144.	What are the various ways in which heat is transferred? [3 MARKS]
Answer» What are the various ways in which heat is transferred? [3 MARKS]

Discussion

6145.	The graph shown below shows a vehicle moving with
Answer» The graph shown below shows a vehicle moving with

6145.

The graph shown below shows a vehicle moving with

Answer»

The graph shown below shows a vehicle moving with

Discussion

6146.	The vessel shown in the figure has two sections of areas of cross-section A1 and A2. A liquid of density p fills both the sections, up to a height h in each. Neglect atmospheric pressure. 1) The pressure by the liquid on the base of the vessel is 2h pg 2) The force exerted by the liquid on the base of the vessel is 2h pgA2
Answer» The vessel shown in the figure has two sections of areas of cross-section $A_{1}$ and $A_{2}$ . A liquid of density p fills both the sections, up to a height h in each. Neglect atmospheric pressure. 1) The pressure by the liquid on the base of the vessel is 2h pg 2) The force exerted by the liquid on the base of the vessel is 2h pg $A_{2}$

6146.

The vessel shown in the figure has two sections of areas of cross-section A1 and A2. A liquid of density p fills both the sections, up to a height h in each. Neglect atmospheric pressure. 1) The pressure by the liquid on the base of the vessel is 2h pg 2) The force exerted by the liquid on the base of the vessel is 2h pgA2

Answer»

The vessel shown in the figure has two sections of areas of cross-section $A_{1}$ and $A_{2}$ . A liquid of density p fills both the sections, up to a height h in each.

Neglect atmospheric pressure.

1) The pressure by the liquid on the base of the vessel is 2h pg

2) The force exerted by the liquid on the base of the vessel is 2h pg $A_{2}$

Discussion

6147.	At a microscopic scale, how is a hot body different from cold body?
Answer» At a microscopic scale, how is a hot body different from cold body?

Discussion

6148.	Out of a pair of identical springs of spring constants 240 N/m, one is compressed by 10 cm and other is stretched by 10 cm. The difference in P.E. stored in the two springs is:
Answer» Out of a pair of identical springs of spring constants 240 N/m, one is compressed by 10 cm and other is stretched by 10 cm. The difference in P.E. stored in the two springs is:

Discussion

6149.	We cannot conveniently measure our body temperature using a laboratory thermometer mainly because _______________.
Answer» We cannot conveniently measure our body temperature using a laboratory thermometer mainly because _______________.

Discussion

6150.	State the laws of reflection. [2 MARKS]
Answer» State the laws of reflection. [2 MARKS]

Discussion

Explore topic-wise InterviewSolutions in .

A brass tumbler feels much colder than a wooden tray on a chilly day. Explain why.

Which of the following experiences only cubical expansion on heating?

Which of the following is used to check whether a body is charged or not?

Boiling is a __________ phenomenon.

Desrcible an activity that air exerts pressure ?

A van starts from rest, accelerates uniformly and attains a speed of 20 m/s in 25 seconds. What is the acceleration of the van?

Identify the proper noun in the sentence. Molly loved the sound of chirping birds in the morning.

A monkey jumps from ground into the air. At the maximum heigtht that it attains, what is true about its instantaneous velocity and acceleration?

In a medical shop the shopkeeper uses a strategy of using the old newspapers to make paper bags to carry medicine. Which among the 3 R's strategies does the shopkeeper practise to conserve the natural resources?

How much heat is absorbed by a 20 g granite piece as energy from the sun causes its temperature to change from 10C to 29C ( specif heat capacity of granite is 0.1 cal g-1 C-1

A big shinny spoon is a good example of

The word 'AMBULANCE' written on an ambulance reads correctly when reflected in a rear view mirror whereas the number plate does not. Why?

An insect moves along a circular path of radius 10 cm with a constant speed. If it takes 1 minute to move from a point on the path to the diametrically opposite point, then the distance covered, speed, displacement and velocity respectively are

An image that cannot be obtained on a screen is called a ________ image.

A trekker climbs up a mountain with a barometer. As he goes up, the mercury column ____.

What is electroplating?

Which term is defined as the "measure of how packed the atoms of a substance are"?

If a rock is brought from the surface of the moon,

Which of the following represents the correct symbol for an electric cell?

Charge on 6 μF capacitor is.

An iron bar is not a good standard of measurement because:

What is the time taken by a 90 m long train travelling at a speed of 18 km/hr to cross a bridge of length 270 m?

Ram wants to make a magnet. Which one of these materials is not useful for him?

An auto travels the first halftime with a uniform speed u and the next halftime with a uniform speed v. Find its average speed.

Himanshu went out for a long drive on a weekend. From 10:00 PM to 11:00 PM, he drove at 40 kmph, and from 11:00 PM to 12:00 AM at 50 kmph. Select the graph that represents his motion correctly.

While measureing temperature of boiling water,sweta found the temperature to be 85°C only. What can be the probable reason for this?

i am unable to understand how to make a periscope

Tangential force produces

What happens if you place a compass near a current carrying conducting wire?

If I place a turbine in a fast flowing stream of the river without building a dam. What will be the energy conversion?

When classified according to seasons, one season has ___ nakshatras.

A ball is thrown upwards with a velocity of 10 m/s. Find the maximum height reached by the ball. Assume acceleration due to gravity g=10m/s2.

Fuel that is used in the thermal power plant is:

What will happen if there are air bubbles in the tube while measuring atmospheric pressure?

Which of the following statement is true?

Which of the following is not exhibited by a rotating fan?

Which of the following is the most stable?

Why does a electric bulb glow in yellow and CFLs in white colours?

What would be the angle of incidence, if the reflected ray makes an angle of 120∘ with incident ray?

_______ are the non-renewable resources. Once finished, they can never be replaced.

The isothermal bulk modulus of a gas at atmospheric pressure is

What are the various ways in which heat is transferred? [3 MARKS]

The graph shown below shows a vehicle moving with

At a microscopic scale, how is a hot body different from cold body?

Out of a pair of identical springs of spring constants 240 N/m, one is compressed by 10 cm and other is stretched by 10 cm. The difference in P.E. stored in the two springs is:

We cannot conveniently measure our body temperature using a laboratory thermometer mainly because _______________.

State the laws of reflection. [2 MARKS]