Question # 1

When a body is lifted through a height the work done on its appears in the form of its:

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Kinetic energy

Potential energy

Elastic potential energy

Geothermal energy

The tendency of doing work is called :

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Time

Energy

Force

Area

The kinetic energy of a body of mass 2 kg is 25 J. Its speed is:

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5 ms^-1

12.5 ms^-1

25 ms^-1

50 ms^-1

_____________ can neither be created nor be destroyed.

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Light

Force

Energy

Weight

1 MJ=

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10³ J

10⁶J

10⁷J

10^-3J

If the velocity of a body becomes double, then its kinetic energy will:

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Remain the same

Become double

Become four time

Become half

The source of energy that can be renewed are called:

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Renewable source

Non-renewable

They RAE Naturally found

None

The S.I unit of power is :

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j/s2

J

W

J/M2

The power of electric kettle is 500W and takes 2s to heat up, find heat generated?

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E = 250 w

E = 1000 w

E = 10000 J

1KJ

Formula of Gravitational potential energy is:

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mgh

mg/h

1/2 mv²

None of these

From following, which one is a renewable source of energy?

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Coal

Gas

Sunlight

Petrolum

The energy stored in a dam is:

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Electric energy

Potential energy

Kinetic energy

Thermal energy

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