Potential Energy

Q. Potential energy can be converted to kinetic energy.

1. True
2. False

Q. A man of 60kg gains 1000 cal of heat by eating 5 mangoes.his efficiency is 56%.To what height he can jump by using this energy? A) 4m 2)20 3) 28 4)0.2

Q. Potential energy is the energy possessed by an object because of its .

1. position
2. motion
3. speed

Q.

____ energy is possessed by a body because of its position.

1. Magnetic

2. Strong

3. Kinetic

4. Potential

Q.

Name the energy transformation takes place in a stone falling from a building.

Q.

Jim is holding a basketball at some height. The ball is said to have ___ energy.

1. magnetic

2. kinetic

3. potential

4. heat

Q. What kind of energy does the water stored in a dam possess?

1. Chemical
2. Electrical
3. Potential
4. Kinetic

Q.

Sunil rolls a marble down an inclined plane as shown below.

What kind of energies are possessed by the rolling marble?

1. Kinetic energy
3. Potential energy
4. Heat energy

1. (i) and (ii) only

2. (ii) and (iii) only

3. (iii) and (i) only

4. (i), (ii) and (iii)

Q.

_____ energy is the energy the body has because of it's position.

1. strong

2. magnetic

3. potential

4. kinetic

Q.

What do you mean by transformation of energy? Explain with some examples.

Q. Identify the energy involved in the given set of pictures.

1. 
2. 
3. 
4. 

Q.

Water is supplied to us from an overhead tank through taps. What kind of energy transformation takes place during this?

Q. Match the following devices with the energy given by them.

1. Light energy
2. Heat energy
3. 
4. Sound energy
5. 
6.