6277 + Interview Questions in Physics Page 95 InterviewSolution

4701.	The underside of cooking utensils is blackened but its side are kept polished. Why?
Answer» The underside of cooking utensils is blackened but its side are kept polished. Why?

Discussion

4702.	Consider a conical container containing water as shown. Three points 'A', 'B' and 'C' are marked inside it. Choose the correct statement.
Answer» Consider a conical container containing water as shown. Three points 'A', 'B' and 'C' are marked inside it. Choose the correct statement.

4702.

Consider a conical container containing water as shown. Three points 'A', 'B' and 'C' are marked inside it. Choose the correct statement.

Answer»

Consider a conical container containing water as shown. Three points 'A', 'B' and 'C' are marked inside it. Choose the correct statement.

Discussion

4703.	If the distance between an object and its image from a plane mirror is 13 meters, how far should the object be kept to get the distance to 20 meters? [2 MARKS]
Answer» If the distance between an object and its image from a plane mirror is 13 meters, how far should the object be kept to get the distance to 20 meters? [2 MARKS]

Discussion

4704.	Which is more elastic, rubber or steel? Explain.
Answer» Which is more elastic, rubber or steel? Explain.

Discussion

4705.	Which of the following graphs is not possible for a moving body?
Answer» Which of the following graphs is not possible for a moving body?

Discussion

4706.	The measure of the quantity of surface occupied by a closed figure is called its ___ .
Answer» The measure of the quantity of surface occupied by a closed figure is called its ___ .

Discussion

4707.	How do we connect these two identical cells of 1.5 volt each to design a 3.0 volt battery?
Answer» How do we connect these two identical cells of 1.5 volt each to design a 3.0 volt battery?

Discussion

4708.	Why dry ice is used for long distance transportation of perishable goods?
Answer» Why dry ice is used for long distance transportation of perishable goods?

Discussion

4709.	If a boy moves along the boundary of a square field of side 20 m in 40 s. What will be the magnitude of displacement of the boy at the end of 4 minutes 20 seconds?
Answer» If a boy moves along the boundary of a square field of side 20 m in 40 s. What will be the magnitude of displacement of the boy at the end of 4 minutes 20 seconds?

Discussion

4710.	How a thunderstorm becomes a cyclone?
Answer» How a thunderstorm becomes a cyclone?

Discussion

4711.	If an electric switch is off then ___ .
Answer» If an electric switch is off then ___ .

Discussion

4712.	A car travels at a speed of 60 m/s for first 3 seconds and 40 m/s for the next 2 seconds. The total distance (in m) travelled by the car in those 5 seconds is:260
Answer» A car travels at a speed of 60 m/s for first 3 seconds and 40 m/s for the next 2 seconds. The total distance (in m) travelled by the car in those 5 seconds is: 260

Discussion

4713.	A body is moving in the direction opposite to the force acting on it. The work is done:
Answer» A body is moving in the direction opposite to the force acting on it. The work is done:

Discussion

4714.	Which of the following best describes the purpose of the second paragraph of the passage?
Answer» Which of the following best describes the purpose of the second paragraph of the passage?

Discussion

4715.	A magnet has following properties
Answer» A magnet has following properties

Discussion

4716.	Electric current is the flow of :
Answer» Electric current is the flow of :

Discussion

4717.	Question 8 (i) Our body is a ___ of electricity. (ii) An electric cell produces electricity from the ___ in it. (iii) In an electric circuit a fuse is a ___, ___ to prevent possible fire. (iv) A combination of two more cells is called a ___.
Answer» Question 8 (i) Our body is a ___ of electricity. (ii) An electric cell produces electricity from the ___ in it. (iii) In an electric circuit a fuse is a ___, ___ to prevent possible fire. (iv) A combination of two more cells is called a ___.

4717.

Question 8 (i) Our body is a _ of electricity. (ii) An electric cell produces electricity from the _ in it. (iii) In an electric circuit a fuse is a _, _ to prevent possible fire. (iv) A combination of two more cells is called a ___.

Answer»

Question 8

(i) Our body is a ___ of electricity.
(ii) An electric cell produces electricity from the ___ in it.
(iii) In an electric circuit a fuse is a ___, ___ to prevent possible fire.
(iv) A combination of two more cells is called a ___.

Discussion

4718.	Which of the following is correct about the pressure difference between polluted and non-polluted region?
Answer» Which of the following is correct about the pressure difference between polluted and non-polluted region?

Discussion

4719.	What is the process happening in flask? It also doesn't give out any heat
Answer» What is the process happening in flask? It also doesn't give out any heat

Discussion

4720.	Question 9 (c) Mark ‘T’ if the statement is true and ‘F’ if it is false: An electromagnet does not attract a piece of iron.
Answer» Question 9 (c) Mark ‘T’ if the statement is true and ‘F’ if it is false: An electromagnet does not attract a piece of iron.

Discussion

4721.	Is a pencil hot or cold?
Answer» Is a pencil hot or cold?

Discussion

4722.	The branch of physics that deals with the study of the nature and properties of light is called
Answer» The branch of physics that deals with the study of the nature and properties of light is called

Discussion

4723.	Which of the rays are in the same plane?
Answer» Which of the rays are in the same plane?

Discussion

4724.	A tube light converts ___.
Answer» A tube light converts ___.

Discussion

4725.	A washerman adds a little blue indigo after washing white clothes to:
Answer» A washerman adds a little blue indigo after washing white clothes to:

Discussion

4726.	If an object weighs 80 N on earth, then find out its weight on moon.Take g on earth =10 ms−2
Answer» If an object weighs 80 N on earth, then find out its weight on moon.Take g on earth $= 10 m s^{- 2}$

Discussion

4727.	Why does the bottom of a lake not freeze in severe winter even when the surface is all frozen?
Answer» Why does the bottom of a lake not freeze in severe winter even when the surface is all frozen?

Discussion

4728.	If the voltage across a fixed value of resistance is doubled, the current:
Answer» If the voltage across a fixed value of resistance is doubled, the current:

Discussion

4729.	In which of the following options is the frictional force working?
Answer» In which of the following options is the frictional force working?

Discussion

4730.	Which of the following can be zero, for a particle in a state of motion?
Answer» Which of the following can be zero, for a particle in a state of motion?

Discussion

4731.	What is the s i unit of current and what is its symbol?
Answer» What is the s i unit of current and what is its symbol?

Discussion

4732.	Explain how sea breeze and land breeze are formed. [3 MARKS]
Answer» Explain how sea breeze and land breeze are formed. [3 MARKS]

Discussion

4733.	How can we explain all three processes of transfer of heat with thermos flask.
Answer» How can we explain all three processes of transfer of heat with thermos flask.

Discussion

4734.	In which of the colleges at least one student studies in Mechanical discipline?
Answer» In which of the colleges at least one student studies in Mechanical discipline?

Discussion

4735.	under what conditions do solids , liquids and gases change their state?
Answer» under what conditions do solids , liquids and gases change their state?

Discussion

4736.	What is the direction of electric current?
Answer» What is the direction of electric current?

Discussion

4737.	What is electricity? how does it flow?
Answer» What is electricity? how does it flow?

Discussion

4738.	Switches, electrical plugs and sockets are normally made up of which among the following metal(s)?
Answer» Switches, electrical plugs and sockets are normally made up of which among the following metal(s)?

Discussion

4739.	Which of the following material is a good conductor of electricity?
Answer» Which of the following material is a good conductor of electricity?

Discussion

4740.	Why the roof and the walls of an auditorium are covered with sound-absorbing materials?
Answer» Why the roof and the walls of an auditorium are covered with sound-absorbing materials?

Discussion

4741.	An electric bulb connected to a cell does not glow in a complete circuit. Which of the following can be the reason?
Answer» An electric bulb connected to a cell does not glow in a complete circuit. Which of the following can be the reason?

Discussion

4742.	What is an open circuit
Answer» What is an open circuit

Discussion

4743.	When we keep our one leg on the carpet and another leg on the tile why does the carpet feel Hotter?
Answer» When we keep our one leg on the carpet and another leg on the tile why does the carpet feel Hotter?

Discussion

4744.	Are laws of reflection not followed in diffused reflection
Answer» Are laws of reflection not followed in diffused reflection

Discussion

4745.	How does pressure vary with change as we go deeper into the ocean?
Answer» How does pressure vary with change as we go deeper into the ocean?

Discussion

4746.	A nucleus splits into two fragments which move with speeds in the ratio 2 : 1. The ratio of their nuclear sizes is approximately
Answer» A nucleus splits into two fragments which move with speeds in the ratio 2 : 1. The ratio of their nuclear sizes is approximately

Discussion

4747.	Which of the following statements is/are correct?
Answer» Which of the following statements is/are correct?

Discussion

4748.	Consider two cylindrical vessels of different diameters as shown here. Water is filled upto same height in both of them. 'A' and 'B' are points at the bottom of the vessels. Now choose the correct option.
Answer» Consider two cylindrical vessels of different diameters as shown here. Water is filled upto same height in both of them. 'A' and 'B' are points at the bottom of the vessels. Now choose the correct option.

4748.

Consider two cylindrical vessels of different diameters as shown here. Water is filled upto same height in both of them. 'A' and 'B' are points at the bottom of the vessels. Now choose the correct option.

Answer»

Consider two cylindrical vessels of different diameters as shown here. Water is filled upto same height in both of them. 'A' and 'B' are points at the bottom of the vessels. Now choose the correct option.

Discussion

4749.	The fraction of a floating object of volume V0 and density d0 above the surface of a liquid of density d will be
Answer» The fraction of a floating object of volume $V_{0}$ and density $d_{0}$ above the surface of a liquid of density d will be

Discussion

4750.	When a substance takes the heat without the change of state, then its ___ expands.
Answer» When a substance takes the heat without the change of state, then its ___ expands.

Discussion

Explore topic-wise InterviewSolutions in .

The underside of cooking utensils is blackened but its side are kept polished. Why?

Consider a conical container containing water as shown. Three points 'A', 'B' and 'C' are marked inside it. Choose the correct statement.

If the distance between an object and its image from a plane mirror is 13 meters, how far should the object be kept to get the distance to 20 meters? [2 MARKS]

Which is more elastic, rubber or steel? Explain.

Which of the following graphs is not possible for a moving body?

The measure of the quantity of surface occupied by a closed figure is called its ___ .

How do we connect these two identical cells of 1.5 volt each to design a 3.0 volt battery?

Why dry ice is used for long distance transportation of perishable goods?

If a boy moves along the boundary of a square field of side 20 m in 40 s. What will be the magnitude of displacement of the boy at the end of 4 minutes 20 seconds?

How a thunderstorm becomes a cyclone?

If an electric switch is off then ___ .

A car travels at a speed of 60 m/s for first 3 seconds and 40 m/s for the next 2 seconds. The total distance (in m) travelled by the car in those 5 seconds is:260

A body is moving in the direction opposite to the force acting on it. The work is done:

Which of the following best describes the purpose of the second paragraph of the passage?

A magnet has following properties

Electric current is the flow of :

Question 8 (i) Our body is a ___ of electricity. (ii) An electric cell produces electricity from the ___ in it. (iii) In an electric circuit a fuse is a ___, ___ to prevent possible fire. (iv) A combination of two more cells is called a ___.

Which of the following is correct about the pressure difference between polluted and non-polluted region?

What is the process happening in flask? It also doesn't give out any heat

Question 9 (c) Mark ‘T’ if the statement is true and ‘F’ if it is false: An electromagnet does not attract a piece of iron.

Is a pencil hot or cold?

The branch of physics that deals with the study of the nature and properties of light is called

Which of the rays are in the same plane?

A tube light converts ___.

A washerman adds a little blue indigo after washing white clothes to:

If an object weighs 80 N on earth, then find out its weight on moon.Take g on earth =10 ms−2

Why does the bottom of a lake not freeze in severe winter even when the surface is all frozen?

If the voltage across a fixed value of resistance is doubled, the current:

In which of the following options is the frictional force working?

Which of the following can be zero, for a particle in a state of motion?

What is the s i unit of current and what is its symbol?

Explain how sea breeze and land breeze are formed. [3 MARKS]

How can we explain all three processes of transfer of heat with thermos flask.

In which of the colleges at least one student studies in Mechanical discipline?

under what conditions do solids , liquids and gases change their state?

What is the direction of electric current?

What is electricity? how does it flow?

Switches, electrical plugs and sockets are normally made up of which among the following metal(s)?

Which of the following material is a good conductor of electricity?

Why the roof and the walls of an auditorium are covered with sound-absorbing materials?

An electric bulb connected to a cell does not glow in a complete circuit. Which of the following can be the reason?

What is an open circuit

When we keep our one leg on the carpet and another leg on the tile why does the carpet feel Hotter?

Are laws of reflection not followed in diffused reflection

How does pressure vary with change as we go deeper into the ocean?

A nucleus splits into two fragments which move with speeds in the ratio 2 : 1. The ratio of their nuclear sizes is approximately

Which of the following statements is/are correct?

Consider two cylindrical vessels of different diameters as shown here. Water is filled upto same height in both of them. 'A' and 'B' are points at the bottom of the vessels. Now choose the correct option.

The fraction of a floating object of volume V0 and density d0 above the surface of a liquid of density d will be

When a substance takes the heat without the change of state, then its ___ expands.

Question 8 (i) Our body is a _ of electricity. (ii) An electric cell produces electricity from the _ in it. (iii) In an electric circuit a fuse is a _, _ to prevent possible fire. (iv) A combination of two more cells is called a ___.