6277 + Interview Questions in Physics Page 124 InterviewSolution

6151.	Which of the following statement(s) are correct regarding heat?
Answer» Which of the following statement(s) are correct regarding heat?

Discussion

6152.	Flow of which particle produces a current in the wire?
Answer» Flow of which particle produces a current in the wire?

Discussion

6153.	Observe the optical systems above. Given that all surfaces are made of transparent glass and the dotted surfaces represent plane surface. Which among them can be considered as lenses?
Answer» Observe the optical systems above. Given that all surfaces are made of transparent glass and the dotted surfaces represent plane surface. Which among them can be considered as lenses?

6153.

Observe the optical systems above. Given that all surfaces are made of transparent glass and the dotted surfaces represent plane surface. Which among them can be considered as lenses?

Answer»

Observe the optical systems above. Given that all surfaces are made of transparent glass and the dotted surfaces represent plane surface. Which among them can be considered as lenses?

Discussion

6154.	Why do the shape and size of a balloon change, when filled with air or water?
Answer» Why do the shape and size of a balloon change, when filled with air or water?

Discussion

6155.	Why the wheel must be round in shape
Answer» Why the wheel must be round in shape

Discussion

6156.	Define speed. Explain how distance is related to time using the formula
Answer» Define speed. Explain how distance is related to time using the formula

Discussion

6157.	Give reason for the statement It is advisable to paint the outer walls of house white in places with hot climate.
Answer» Give reason for the statement It is advisable to paint the outer walls of house white in places with hot climate.

6157.

Give reason for the statement It is advisable to paint the outer walls of house white in places with hot climate.

Answer»

Give reason for the statement

It is advisable to paint the outer walls of house white in places with hot climate.

Discussion

6158.	Why does a hot cup of coffee kept open cool s after sometime
Answer» Why does a hot cup of coffee kept open cool s after sometime

Discussion

6159.	Which of the following is not the property of a good mirror?
Answer» Which of the following is not the property of a good mirror?

6159.

Which of the following is not the property of a good mirror?

Answer»

Which of the following is not the property of a good mirror?

Discussion

6160.	The natural magnet is an ore of___
Answer» The natural magnet is an ore of___

Discussion

6161.	Which part of the atom has a huge amount of energy and consists of the protons and neutrons?
Answer» Which part of the atom has a huge amount of energy and consists of the protons and neutrons?

Discussion

6162.	Question 9 Fill in the blanks. (i) Air around us exerts___ (ii) The moving air is called ___ (iii) The main cause of wind movement is uneven ___ on the earth. (iv) High speed wind can cause cyclone in regions of ___ pressure
Answer» Question 9 Fill in the blanks. (i) Air around us exerts___ (ii) The moving air is called ___ (iii) The main cause of wind movement is uneven ___ on the earth. (iv) High speed wind can cause cyclone in regions of ___ pressure

6162.

Question 9 Fill in the blanks. (i) Air around us exerts_ (ii) The moving air is called _ (iii) The main cause of wind movement is uneven _ on the earth. (iv) High speed wind can cause cyclone in regions of _ pressure

Answer»

Question 9

Fill in the blanks.
(i) Air around us exerts___
(ii) The moving air is called ___
(iii) The main cause of wind movement is uneven ___ on the earth.
(iv) High speed wind can cause cyclone in regions of ___ pressure

Discussion

6163.	The thickness of a dozen coins on a metre scale was found to be 18cm. What is the thickness of one coin?
Answer» The thickness of a dozen coins on a metre scale was found to be 18cm. What is the thickness of one coin?

Discussion

6164.	What is the reason for when a new quilt is warmer than an old one
Answer» What is the reason for when a new quilt is warmer than an old one

Discussion

6165.	Which of the following group of metals represent are magnetic properties?
Answer» Which of the following group of metals represent are magnetic properties?

Discussion

6166.	A loader applied 150 N of force to lift a stone and 1250 joules of work was done. How far was the rock lifted?
Answer» A loader applied 150 N of force to lift a stone and 1250 joules of work was done. How far was the rock lifted?

Discussion

6167.	What type of clothes are worn in Summers and why? [3 MARKS]
Answer» What type of clothes are worn in Summers and why? [3 MARKS]

Discussion

6168.	The sun's heat produces heat .Why?
Answer» The sun's heat produces heat .Why?

Discussion

6169.	What is the difference between freezing and solidification.
Answer» What is the difference between freezing and solidification.

Discussion

6170.	What do you mean by oscillatory motion? Give examples. Are all oscillatory motions periodic? [3 MARKS]
Answer» What do you mean by oscillatory motion? Give examples. Are all oscillatory motions periodic? [3 MARKS]

Discussion

6171.	If we look around us everything radiates energy but some of these items radiate little more than the safe threshold and hence we use a specific term. Do you know the term?
Answer» If we look around us everything radiates energy but some of these items radiate little more than the safe threshold and hence we use a specific term. Do you know the term?

Discussion

6172.

A. Multiple reflections a. Convex lens B. Wide field of view c. Concave lens C. Projector c. Plane mirrors D. Separates the light rays passing through it d.Convex mirrors Match the correct columns.

Answer»

A. Multiple reflections	a. Convex lens
B. Wide field of view	c. Concave lens
C. Projector	c. Plane mirrors
D. Separates the light rays passing through it	d.Convex mirrors

Match the correct columns.

Discussion

6173.	How does a heat form?
Answer» How does a heat form?

Discussion

6174.	When a plane mirror is rotated through an angle ϕ, by what angle will the reflected beam rotate?
Answer» When a plane mirror is rotated through an angle $ϕ$ , by what angle will the reflected beam rotate?

Discussion

6175.	The shown symbol for the battery has how many cells?
Answer» The shown symbol for the battery has how many cells?

6175.

The shown symbol for the battery has how many cells?

Answer»

The shown symbol for the battery has how many cells?

Discussion

6176.	An electric circuit is a combination of ___ .
Answer» An electric circuit is a combination of ___ .

Discussion

6177.	In an electric bell, when the electromagnet pulls the iron strip, it also breaks the circuit. The current through the coil stops flowing. In this case, will the coil remain an electromagnet? How does an electric bell ring then? [3 MARKS]
Answer» In an electric bell, when the electromagnet pulls the iron strip, it also breaks the circuit. The current through the coil stops flowing. In this case, will the coil remain an electromagnet? How does an electric bell ring then? [3 MARKS]

Discussion

6178.	Which of the following is/are true with respect to conduction?
Answer» Which of the following is/are true with respect to conduction?

Discussion

6179.	A monkey jumps from ground into the air. At the maximum height that it attains, what is true about its instantaneous velocity and acceleration?
Answer» A monkey jumps from ground into the air. At the maximum height that it attains, what is true about its instantaneous velocity and acceleration?

Discussion

6180.	There is a bar in my hand. When I suspend it using a thread, it aligns itself such that one end faces the geographic North direction. It also attracts iron items. What can this bar be considered similar to?
Answer» There is a bar in my hand. When I suspend it using a thread, it aligns itself such that one end faces the geographic North direction. It also attracts iron items. What can this bar be considered similar to?

Discussion

6181.	Granite is an example of which kind of igneous rock?
Answer» Granite is an example of which kind of igneous rock?

Discussion

6182.	Question 13 Observe the given figures carefully The given figures show the path of light through lenses of two different types, represented by rectangular boxes A and B. What is the nature of lenses A and B?
Answer» Question 13 Observe the given figures carefully The given figures show the path of light through lenses of two different types, represented by rectangular boxes A and B. What is the nature of lenses A and B?

6182.

Question 13 Observe the given figures carefully The given figures show the path of light through lenses of two different types, represented by rectangular boxes A and B. What is the nature of lenses A and B?

Answer»

Question 13

Observe the given figures carefully

The given figures show the path of light through lenses of two different types, represented by rectangular boxes A and B. What is the nature of lenses A and B?

Discussion

6183.	One day, Anu was chasing Minu. Anu was running at a speed of 10m/s and Minu was at 7m/s. Then what will be their relative speed?
Answer» One day, Anu was chasing Minu. Anu was running at a speed of 10m/s and Minu was at 7m/s. Then what will be their relative speed?

Discussion

6184.	What is the time taken by a 100 m long train travelling at a speed of 36 km/hr to cross a bridge of length 80 m?
Answer» What is the time taken by a 100 m long train travelling at a speed of 36 km/hr to cross a bridge of length 80 m?

Discussion

6185.	Which of the following is true about the plane mirror?
Answer» Which of the following is true about the plane mirror?

Discussion

6186.	If you know the direction of flow of current, can you say all the particles of the current are going only in that direction at any point of time?
Answer» If you know the direction of flow of current, can you say all the particles of the current are going only in that direction at any point of time?

Discussion

6187.	Riya wants to create a DIY cardboard to observe the candle, Which of these would be an appropriate construction?
Answer» Riya wants to create a DIY cardboard to observe the candle, Which of these would be an appropriate construction?

Discussion

6188.	Question 3 (d) State whether the following statement is true or false. For human ears, the audible range is 20 Hz to 20,000 Hz.
Answer» Question 3 (d) State whether the following statement is true or false. For human ears, the audible range is 20 Hz to 20,000 Hz.

Discussion

6189.	Rooms are fitted with ventilators to let hot air out. Which of the following phenomenon facilitates this to happen?
Answer» Rooms are fitted with ventilators to let hot air out. Which of the following phenomenon facilitates this to happen?

Discussion

6190.	An object becomes invisible when it undergoes
Answer» An object becomes invisible when it undergoes

Discussion

6191.	Which of the following is true regarding the hotness of a body?
Answer» Which of the following is true regarding the hotness of a body?

Discussion

6192.	The image of an object is formed:
Answer» The image of an object is formed:

Discussion

6193.	Which of the following is required to see an object?
Answer» Which of the following is required to see an object?

Discussion

6194.	Find the average speed of a train which is travelling x km in the 1st hour and 2y km in the 2nd hour.
Answer» Find the average speed of a train which is travelling x km in the 1^{$^{s t}$} hour and 2y km in the 2^{$^{n d}$} hour.

Discussion

6195.	If freezing point is 0oC, then 24oC above freezing point can be written as
Answer» If freezing point is 0^oC, then 24^oC above freezing point can be written as

Discussion

6196.	The SI unit of work or energy is the joule. Explain why the work and energy have the same SI unit?
Answer» The SI unit of work or energy is the joule. Explain why the work and energy have the same SI unit?

Discussion

6197.	Could you please tell me why the speed of sound is more in hydrogen than in the air we breathe? It was written in my textbook that the speed of sound is much greater in hydrogen than in air. (Hydrogen: 1270m/s & Air: 330 m/s).
Answer» Could you please tell me why the speed of sound is more in hydrogen than in the air we breathe? It was written in my textbook that the speed of sound is much greater in hydrogen than in air. (Hydrogen: 1270m/s & Air: 330 m/s).

Discussion

6198.	Suppose a body A at a higher temperature is brought into contact with another body B at a lower temperature, which of the following(s) is/are true?
Answer» Suppose a body A at a higher temperature is brought into contact with another body B at a lower temperature, which of the following(s) is/are true?

Discussion

6199.	Which of the following is used to measure the body temperature?
Answer» Which of the following is used to measure the body temperature?

Discussion

6200.	Our hairs appear black in colour because
Answer» Our hairs appear black in colour because

Discussion

Explore topic-wise InterviewSolutions in .

Which of the following statement(s) are correct regarding heat?

Flow of which particle produces a current in the wire?

Observe the optical systems above. Given that all surfaces are made of transparent glass and the dotted surfaces represent plane surface. Which among them can be considered as lenses?

Why do the shape and size of a balloon change, when filled with air or water?

Why the wheel must be round in shape

Define speed. Explain how distance is related to time using the formula

Give reason for the statement It is advisable to paint the outer walls of house white in places with hot climate.

Why does a hot cup of coffee kept open cool s after sometime

Which of the following is not the property of a good mirror?

The natural magnet is an ore of___

Which part of the atom has a huge amount of energy and consists of the protons and neutrons?

Question 9 Fill in the blanks. (i) Air around us exerts___ (ii) The moving air is called ___ (iii) The main cause of wind movement is uneven ___ on the earth. (iv) High speed wind can cause cyclone in regions of ___ pressure

The thickness of a dozen coins on a metre scale was found to be 18cm. What is the thickness of one coin?

What is the reason for when a new quilt is warmer than an old one

Which of the following group of metals represent are magnetic properties?

A loader applied 150 N of force to lift a stone and 1250 joules of work was done. How far was the rock lifted?

What type of clothes are worn in Summers and why? [3 MARKS]

The sun's heat produces heat .Why?

What is the difference between freezing and solidification.

What do you mean by oscillatory motion? Give examples. Are all oscillatory motions periodic? [3 MARKS]

If we look around us everything radiates energy but some of these items radiate little more than the safe threshold and hence we use a specific term. Do you know the term?

A. Multiple reflections a. Convex lens B. Wide field of view c. Concave lens C. Projector c. Plane mirrors D. Separates the light rays passing through it d.Convex mirrors Match the correct columns.

How does a heat form?

When a plane mirror is rotated through an angle ϕ, by what angle will the reflected beam rotate?

The shown symbol for the battery has how many cells?

An electric circuit is a combination of ___ .

In an electric bell, when the electromagnet pulls the iron strip, it also breaks the circuit. The current through the coil stops flowing. In this case, will the coil remain an electromagnet? How does an electric bell ring then? [3 MARKS]

Which of the following is/are true with respect to conduction?

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

There is a bar in my hand. When I suspend it using a thread, it aligns itself such that one end faces the geographic North direction. It also attracts iron items. What can this bar be considered similar to?

Granite is an example of which kind of igneous rock?

Question 13 Observe the given figures carefully The given figures show the path of light through lenses of two different types, represented by rectangular boxes A and B. What is the nature of lenses A and B?

One day, Anu was chasing Minu. Anu was running at a speed of 10m/s and Minu was at 7m/s. Then what will be their relative speed?

What is the time taken by a 100 m long train travelling at a speed of 36 km/hr to cross a bridge of length 80 m?

Which of the following is true about the plane mirror?

If you know the direction of flow of current, can you say all the particles of the current are going only in that direction at any point of time?

Riya wants to create a DIY cardboard to observe the candle, Which of these would be an appropriate construction?

Question 3 (d) State whether the following statement is true or false.​ ​​​​​​For human ears, the audible range is 20 Hz to 20,000 Hz.

Rooms are fitted with ventilators to let hot air out. Which of the following phenomenon facilitates this to happen?

An object becomes invisible when it undergoes

Which of the following is true regarding the hotness of a body?

The image of an object is formed:

Which of the following is required to see an object?

Find the average speed of a train which is travelling x km in the 1st hour and 2y km in the 2nd hour.

If freezing point is 0oC, then 24oC above freezing point can be written as

The SI unit of work or energy is the joule. Explain why the work and energy have the same SI unit?

Could you please tell me why the speed of sound is more in hydrogen than in the air we breathe? It was written in my textbook that the speed of sound is much greater in hydrogen than in air. (Hydrogen: 1270m/s &amp; Air: 330 m/s).

Suppose a body A at a higher temperature is brought into contact with another body B at a lower temperature, which of the following(s) is/are true?

Which of the following is used to measure the body temperature?

Our hairs appear black in colour because

Question 9 Fill in the blanks. (i) Air around us exerts_ (ii) The moving air is called _ (iii) The main cause of wind movement is uneven _ on the earth. (iv) High speed wind can cause cyclone in regions of _ pressure

Question 3 (d) State whether the following statement is true or false. For human ears, the audible range is 20 Hz to 20,000 Hz.

Could you please tell me why the speed of sound is more in hydrogen than in the air we breathe? It was written in my textbook that the speed of sound is much greater in hydrogen than in air. (Hydrogen: 1270m/s & Air: 330 m/s).