Question # 1

O maximum height the P.E of the body is:

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Zero

Maximum

Minimum

None of these

The tendency of doing work is called :

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Time

Energy

Force

Area

The energy possessed by a body due to height is called:

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P.E

K.E

Both

None

The energy stored in coal is

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Heat Energy

Kinetic energy

Chemical energy

Nuclear energy

Einstein mass energy equation is:

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E= mc²

E= m²c

E = 1/2 mc²

2 mc²

In Einstein's mass-energy equation, c is the

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Speed of sound

Speed of light

Speed of electron

Speed of Earth

Kilowatt - hour is unit of _____________

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Power

Energy

Work

K.e

A body possesses if it is capable to do work:

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Energy

Power

Force

All

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

If a force F makes an angle θ with the direction of motion of the force, then the formula for the work done will be:

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W = FS

W = FS cosθ

W = FS sinθ

W = FS tanθ

The source of energy that can be renewed are called:

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Renewable source

Non-renewable

They RAE Naturally found

None

Work is zero when "F" and "S" will be:

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Parallel

Perpendicular

Anti parallel

Tangent

The potential energy of a body of mass 'm' placed at a height 'h' above the surface of earth is equal to

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P.E. = mg

P.E. = mgh

P.E. = 3mgh

P.E. = 2mgh

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