EASY
7th ICSE
IMPORTANT
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A generator converts energy into electrical energy.

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Important Questions on Energy

EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 3 - Energy>EXERCISES>Q 1
Work done is independent of magnitude of force.
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 3 - Energy>EXERCISES>Q 2
A body possessing energy is capable of doing work.
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 3 - Energy>EXERCISES>Q 3
The water of flowing river has potential energy.
MEDIUM
7th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 3 - Energy>EXERCISES>Q 4
If the mass of the object is doubled, its kinetic energy increases by four times.
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 3 - Energy>EXERCISES>Q 5
Energy does not occur in various forms.
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 3 - Energy>EXERCISES>Q 6
Kinetic energy is inversely proportional to the square of the velocity of that object. 
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 3 - Energy>EXERCISES>Q 7
We require energy to cook food.
EASY
7th ICSE
IMPORTANT
Lakhmir Singh's Science Physics>Chapter 3 - Energy>EXERCISES>Q 8
Work is only done when the object moves.