Energy

Q.

The capacity of a body to do work is called _______.

Q.

Which of the following statements are correct regarding energy?

1. It is capacity to do work

2. It cannot be created nor be destroyed

3. It can be transferred from one object to other

4. All of these

Q.

The ability to do work is called:

1. Power

2. Efficiency

3. Energy

4. force

Q.

What is the effect of heat producing light is known as?

1. Light effect

2. Heat effect

3. Incandescence

4. Energy effect

Q. What are the conditions necessary for the formation of petroleum from dead organisms?

1. Low temperature, low pressure and absence of air
2. Low temperature, low pressure and presence of air
3. High temperature, high pressure and absence of air
4. High temperature, high pressure and presence of air

Q.

Which of the following statements are correct regarding energy?

1. It is the capacity to do work

2. It cannot be created nor be destroyed

3. It can be transferred from one object to other

4. It can change it's form

Q. Which one among the given choices is not an example of the exhaustible natural resource ?

1. Water
2. Petroleum
3. Coal
4. Wood

Q.

What is meant by energy? Mention its SI unit.

Q.

The capacity to do work is called?