6277 + Interview Questions in Physics Page 100 InterviewSolution

4951.	How does the conductor of heat differ from insulator
Answer» How does the conductor of heat differ from insulator

Discussion

4952.	State two examples to show that air exerts pressure. [2 MARKS]
Answer» State two examples to show that air exerts pressure. [2 MARKS]

Discussion

4953.	How you can prove that sound requires a medium to propagate?
Answer» How you can prove that sound requires a medium to propagate?

Discussion

4954.	What is the use of test tube clamps in lab?
Answer» What is the use of test tube clamps in lab?

4954.

What is the use of test tube clamps in lab?

Answer»

What is the use of test tube clamps in lab?

Discussion

4955.	Weather strippings are used to close small openings in windows to prevent heat loss. How?
Answer» Weather strippings are used to close small openings in windows to prevent heat loss. How?

Discussion

4956.	What are the reasons for excessive current flowing through a circuit?
Answer» What are the reasons for excessive current flowing through a circuit?

Discussion

4957.	Wax kept at which of the following position will melt first?
Answer» Wax kept at which of the following position will melt first?

4957.

Wax kept at which of the following position will melt first?

Answer»

Wax kept at which of the following position will melt first?

Discussion

4958.	Switch in a circuit is placed:
Answer» Switch in a circuit is placed:

Discussion

4959.	Which of the following natural phenomenon is the most destructive in terms of loss of life and property?
Answer» Which of the following natural phenomenon is the most destructive in terms of loss of life and property?

Discussion

4960.	A heavy truck moves at 36km/h. It increases its velocity to 90km/h in 0.1minute. What is the acceleration of the truck?
Answer» A heavy truck moves at $36 k m / h$ . It increases its velocity to $90 k m / h$ in $0.1 minute$ . What is the acceleration of the truck?

4960.

A heavy truck moves at 36km/h. It increases its velocity to 90km/h in 0.1minute. What is the acceleration of the truck?

Answer»

A heavy truck moves at $36 k m / h$ . It increases its velocity to $90 k m / h$ in $0.1 minute$ .

What is the acceleration of the truck?

Discussion

4961.	How many Earth years does it take for Mars to go around the Sun?
Answer» How many Earth years does it take for Mars to go around the Sun?

Discussion

4962.	Football shoes have studs under them. What could be the reason for this?
Answer» Football shoes have studs under them. What could be the reason for this?

Discussion

4963.	A pendulum starts from B. After three and a half oscillations it will be at:
Answer» A pendulum starts from B. After three and a half oscillations it will be at:

Discussion

4964.	The device which measures electric current is called ___.
Answer» The device which measures electric current is called ___.

Discussion

4965.	Is human body an insulator of heat
Answer» Is human body an insulator of heat

Discussion

4966.	How does a Thermos flask keep hot liquid hot and a cold liquid cool ?
Answer» How does a Thermos flask keep hot liquid hot and a cold liquid cool ?

Discussion

4967.	A racing car moving at a speed of 120 km h−1 finishes the race in 4 minutes. The car registered second place, while the winner had finished 2 minutes before. What is the speed of the winning car?
Answer» A racing car moving at a speed of $120 k m h^{- 1}$ finishes the race in 4 minutes. The car registered second place, while the winner had finished 2 minutes before. What is the speed of the winning car?

Discussion

4968.	How can we convert km/h to m/s 🤔
Answer» How can we convert km/h to m/s 🤔

Discussion

4969.	A light ray is incident on a flat surface, making an angle of 20∘ with the surface. What is the angle of incidence and angle of reflection respectively?
Answer» A light ray is incident on a flat surface, making an angle of $20^{\circ}$ with the surface. What is the angle of incidence and angle of reflection respectively?

Discussion

4970.	Name the type of mirror used in the following situations. Support your answer with reason. (a) Headlights of a car (b) Side/rear-view mirror of a vehicle
Answer» Name the type of mirror used in the following situations. Support your answer with reason. (a) Headlights of a car (b) Side/rear-view mirror of a vehicle

4970.

Name the type of mirror used in the following situations. Support your answer with reason. (a) Headlights of a car (b) Side/rear-view mirror of a vehicle

Answer»

Name the type of mirror used in the following situations. Support your answer with reason.

(a) Headlights of a car

(b) Side/rear-view mirror of a vehicle

Discussion

4971.	Which of the following statements is wrong [NCERT 1976, 79]
Answer» Which of the following statements is wrong [NCERT 1976, 79]

Discussion

4972.	A man lifts a luggage of weight 100 N from the ground and puts it on his head 1.7 m above the ground. Calculate work done by him on the luggage.
Answer» A man lifts a luggage of weight 100 N from the ground and puts it on his head 1.7 m above the ground. Calculate work done by him on the luggage.

Discussion

4973.	Why convex mirror is used as a side mirror in scooters?
Answer» Why convex mirror is used as a side mirror in scooters?

Discussion

4974.	Which of the following clocks shows the most accurate time?
Answer» Which of the following clocks shows the most accurate time?

Discussion

4975.	Magnetization by single touch or double touch method creates ___ magnet.
Answer» Magnetization by single touch or double touch method creates ___ magnet.

Discussion

4976.	A ball of mass 2 kg and another of mass 4 kg are dropped together from a 60 feet tall building. After a fall of 30 feet, their respective kinetic energies will be in the ratio of
Answer» A ball of mass 2 kg and another of mass 4 kg are dropped together from a 60 feet tall building. After a fall of 30 feet, their respective kinetic energies will be in the ratio of

Discussion

4977.	Does the mass of an object affect friction?
Answer» Does the mass of an object affect friction?

Discussion

4978.	What is the primary source of energy behind the chemical energy stored in fossil fuels?
Answer» What is the primary source of energy behind the chemical energy stored in fossil fuels?

Discussion

4979.	Question 4 When the electric current is passed through a conducting solution, there is a change of colour of the solution. This indicates (a) the chemical effect of current. (b) the heating effect of current. (c) the magnetic effect of current. (d) the lightning effect of current.
Answer» Question 4 When the electric current is passed through a conducting solution, there is a change of colour of the solution. This indicates (a) the chemical effect of current. (b) the heating effect of current. (c) the magnetic effect of current. (d) the lightning effect of current.

Discussion

4980.	Why are the latent heat called so? Where is it used?
Answer» Why are the latent heat called so? Where is it used?

Discussion

4981.	The terminals of a cell ___.
Answer» The terminals of a cell ___.

Discussion

4982.	Which quantity has same units of measurement in MKS as well as CGS system?
Answer» Which quantity has same units of measurement in MKS as well as CGS system?

Discussion

4983.	The amount of heat produced in a conductor does not depend on __________.
Answer» The amount of heat produced in a conductor does not depend on __________.

Discussion

4984.	A train is moving with a speed of 40 ms−1. On applying brake, it comes to rest at 20 s, then the acceleration of the train is
Answer» A train is moving with a speed of $40 m s^{- 1}$ . On applying brake, it comes to rest at 20 s, then the acceleration of the train is

Discussion

4985.	Two rods A and B of different materials are welded together as shown in Figure. If their thermal conductivities are k1and k2, the thermal conductivity of the composite rod will be
Answer» Two rods A and B of different materials are welded together as shown in Figure. If their thermal conductivities are $k_{1}$ and $k_{2}$ , the thermal conductivity of the composite rod will be

4985.

Two rods A and B of different materials are welded together as shown in Figure. If their thermal conductivities are k1and k2, the thermal conductivity of the composite rod will be

Answer»

Two rods A and B of different materials are welded together as shown in Figure. If their thermal conductivities are $k_{1}$ and $k_{2}$ , the thermal conductivity of the composite rod will be

Discussion

4986.	A disc thrown by an athlete is an example of what type of motion?
Answer» A disc thrown by an athlete is an example of what type of motion?

Discussion

4987.	Can a body be luminous at some point of time and non luminous at others
Answer» Can a body be luminous at some point of time and non luminous at others

Discussion

4988.	Choose the correct option regarding sustainable development?
Answer» Choose the correct option regarding sustainable development?

Discussion

4989.	Which of the following is not used for measuring time?
Answer» Which of the following is not used for measuring time?

Discussion

4990.	Select the condition required for a balloon to comes down. Where W1 = Total weight of the balloon and load attached to it. W2= Weight of the displaced air or buoyancy.
Answer» Select the condition required for a balloon to comes down. Where $W_{1}$ = Total weight of the balloon and load attached to it. $W_{2}$ = Weight of the displaced air or buoyancy.

Discussion

4991.	The number of oscillations or vibrations per second is called ___ of the oscillations.
Answer» The number of oscillations or vibrations per second is called ___ of the oscillations.

Discussion

4992.	Question 19 Distance between Bholu’s and Golu’s house is 9 km. Bholu has to attend Golu’s birthday party at 7 o’clock. He started from his home at 6 o’clock on his bicycle and covered a distance of 6 km in 40 minutes. At that point he met Chintu and he spoke to him for 5 minutes and reached Golu’s birthday party at 7 o’clock. With what speed did he cover the second part of the journey? Calculate his average speed for the entire journey.
Answer» Question 19 Distance between Bholu’s and Golu’s house is 9 km. Bholu has to attend Golu’s birthday party at 7 o’clock. He started from his home at 6 o’clock on his bicycle and covered a distance of 6 km in 40 minutes. At that point he met Chintu and he spoke to him for 5 minutes and reached Golu’s birthday party at 7 o’clock. With what speed did he cover the second part of the journey? Calculate his average speed for the entire journey.

4992.

Question 19 Distance between Bholu’s and Golu’s house is 9 km. Bholu has to attend Golu’s birthday party at 7 o’clock. He started from his home at 6 o’clock on his bicycle and covered a distance of 6 km in 40 minutes. At that point he met Chintu and he spoke to him for 5 minutes and reached Golu’s birthday party at 7 o’clock. With what speed did he cover the second part of the journey? Calculate his average speed for the entire journey.

Answer»

Question 19

Distance between Bholu’s and Golu’s house is 9 km. Bholu has to attend Golu’s birthday party at 7 o’clock. He started from his home at 6 o’clock on his bicycle and covered a distance of 6 km in 40 minutes. At that point he met Chintu and he spoke to him for 5 minutes and reached Golu’s birthday party at 7 o’clock. With what speed did he cover the second part of the journey? Calculate his average speed for the entire journey.

Discussion

4993.	For the wire; if it's cross sectional area is A; the stress developed in it is:
Answer» For the wire; if it's cross sectional area is A; the stress developed in it is:

Discussion

4994.	The initial level of water in a measuring cylinder was 12 ml. When an iron piece of irregular shape is completely immersed, the water level increased to 30 ml. What is the volume of the iron piece?
Answer» The initial level of water in a measuring cylinder was $12 ml$ . When an iron piece of irregular shape is completely immersed, the water level increased to $30 ml$ . What is the volume of the iron piece?

Discussion

4995.	Respected sir or mdam Why hot soups or any type of hot foods are restricted to put in plastics ? PLEASE HELP ME TO FIND OUT THE ANSWER OF THE QUESTION
Answer» Respected sir or mdam Why hot soups or any type of hot foods are restricted to put in plastics ? PLEASE HELP ME TO FIND OUT THE ANSWER OF THE QUESTION

4995.

Respected sir or mdam Why hot soups or any type of hot foods are restricted to put in plastics ? PLEASE HELP ME TO FIND OUT THE ANSWER OF THE QUESTION

Answer»

Respected sir or mdam

Why hot soups or any type of hot foods are restricted to put in plastics ?

PLEASE HELP ME TO FIND OUT THE ANSWER OF THE QUESTION

Discussion

4996.	I want extra question for the lesson wind storm and cyclone
Answer» I want extra question for the lesson wind storm and cyclone

Discussion

4997.	What happens during the apparent retrograde motion of a planet?
Answer» What happens during the apparent retrograde motion of a planet?

Discussion

4998.	The electromagnets are also used to separate which kind of material from the junk?
Answer» The electromagnets are also used to separate which kind of material from the junk?

Discussion

4999.	From the given options, select a device that we use to measure temperature.
Answer» From the given options, select a device that we use to measure temperature.

Discussion

5000.	A ___ can be used instead of a resistor.
Answer» A ___ can be used instead of a resistor.

Discussion

Explore topic-wise InterviewSolutions in .

How does the conductor of heat differ from insulator

State two examples to show that air exerts pressure. [2 MARKS]

How you can prove that sound requires a medium to propagate?

What is the use of test tube clamps in lab?

Weather strippings are used to close small openings in windows to prevent heat loss. How?

What are the reasons for excessive current flowing through a circuit?

Wax kept at which of the following position will melt first?

Switch in a circuit is placed:

Which of the following natural phenomenon is the most destructive in terms of loss of life and property?

A heavy truck moves at 36km/h. It increases its velocity to 90km/h in 0.1minute. What is the acceleration of the truck?

How many Earth years does it take for Mars to go around the Sun?

Football shoes have studs under them. What could be the reason for this?

A pendulum starts from B. After three and a half oscillations it will be at:

The device which measures electric current is called ___.

Is human body an insulator of heat

How does a Thermos flask keep hot liquid hot and a cold liquid cool ?

A racing car moving at a speed of 120 km h−1 finishes the race in 4 minutes. The car registered second place, while the winner had finished 2 minutes before. What is the speed of the winning car?

How can we convert km/h to m/s 🤔

A light ray is incident on a flat surface, making an angle of 20∘ with the surface. What is the angle of incidence and angle of reflection respectively?

Name the type of mirror used in the following situations. Support your answer with reason. (a) Headlights of a car (b) Side/rear-view mirror of a vehicle

Which of the following statements is wrong [NCERT 1976, 79]

A man lifts a luggage of weight 100 N from the ground and puts it on his head 1.7 m above the ground. Calculate work done by him on the luggage.

Why convex mirror is used as a side mirror in scooters?

Which of the following clocks shows the most accurate time?

Magnetization by single touch or double touch method creates ___ magnet.

A ball of mass 2 kg and another of mass 4 kg are dropped together from a 60 feet tall building. After a fall of 30 feet, their respective kinetic energies will be in the ratio of

Does the mass of an object affect friction?

What is the primary source of energy behind the chemical energy stored in fossil fuels?

Question 4 When the electric current is passed through a conducting solution, there is a change of colour of the solution. This indicates (a) the chemical effect of current. (b) the heating effect of current. (c) the magnetic effect of current. (d) the lightning effect of current.

Why are the latent heat called so? Where is it used?

The terminals of a cell ___.

Which quantity has same units of measurement in MKS as well as CGS system?

The amount of heat produced in a conductor does not depend on __________.

A train is moving with a speed of 40 ms−1. On applying brake, it comes to rest at 20 s, then the acceleration of the train is

Two rods A and B of different materials are welded together as shown in Figure. If their thermal conductivities are k1and k2, the thermal conductivity of the composite rod will be

A disc thrown by an athlete is an example of what type of motion?

Can a body be luminous at some point of time and non luminous at others

Choose the correct option regarding sustainable development?

Which of the following is not used for measuring time?

Select the condition required for a balloon to comes down. Where W1 = Total weight of the balloon and load attached to it. W2= Weight of the displaced air or buoyancy.

The number of oscillations or vibrations per second is called ___ of the oscillations.

For the wire; if it's cross sectional area is A; the stress developed in it is:

The initial level of water in a measuring cylinder was 12 ml. When an iron piece of irregular shape is completely immersed, the water level increased to 30 ml. What is the volume of the iron piece?

Respected sir or mdam Why hot soups or any type of hot foods are restricted to put in plastics ? PLEASE HELP ME TO FIND OUT THE ANSWER OF THE QUESTION

I want extra question for the lesson wind storm and cyclone

What happens during the apparent retrograde motion of a planet?

The electromagnets are also used to separate which kind of material from the junk?

From the given options, select a device that we use to measure temperature.

A ___ can be used instead of a resistor.