11. work and energy

11. work and energy

1. When we said work is done ?

1) Change in object shape
2) None
3) Both 1 & 2
4) Object displace from original position

2. Which is the most important source of energy ?

1) Moon
2) None of these
3) Petrol
4) Sun

3. Which is conventional energy source ?

1) Coal
2) All
3) Diesel
4) Fossil fuels

4. Which is non - conventional energy source ?

1) Solar energy
2) Tidal energy
3) Wind energy
4) All

5. SI Unit of work and energy is ________.

1) Joule
2) Ampere
3) Kelvin
4) Km

6. Which energy found in " Spring of toy " . ?

1) Light
2) Sound
3) Heat
4) Mechanical

7. Capasity to do work is called _______

1) Energy
2) Source
3) None
4) Work

8. Which of the following is example of chamical energy ?

1) All of these
2) Moving bicycle
3) Lead acid battery
4) Stored water

9. Which type of energy generated at Koyana dam ?

1) Green Energy
2) Hydroelectric
3) Solar energy
4) Tidal Energy

10. Which energy is generated by fussion of atoms of heavy elements such as uranium, thorium . ?

1) Wind energy
2) Tidal energy
3) Atomic energy
4) Heat energy

11. Which energy required to solar cooker ?

1) Electricity
2) Solar
3) All
4) Sound

12. Which energy resources do not produce smoke and carbon gases ?

1) Mineral oil
2) None of these
3) Atomic energy resources
4) Green energy resources

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