Question # 1

_____________ can neither be created nor be destroyed.

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Light

Force

Energy

Weight

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

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Parallel

Perpendicular

Anti parallel

Tangent

Which of the following is non-renewable fossil fuel?

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Oil

Coal

Gas

All of these

If the force of 25 N pulls a stone through a distance of 5 cm in its direction the magnitude of work will be:

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5 J

125 J

175 J

200 J

Formula of work is:

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F X S

F X V

F/S

S/F

Kinetic energy is possessed by a body by:

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Virtue of motion

Height

Rest

Nil

If 1N is force and body is displaced to 1m than work is :

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2 J

1 J

3 J

4 J

If mass of a body becomes half that its energy K.E will be reduce to:

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Zero

Half

Double

4 Times

If the direction of motion of the force is perpendicular to the direction of motion of the body then work done will be:

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Maximum

Minimum

Zero

None of these

The source of energy that can be renewed are called:

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Renewable source

Non-renewable

They RAE Naturally found

None

The energy stored in a dam is:

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Electric energy

Potential energy

Kinetic energy

Thermal energy

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

Stretched how has type of energy:

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K.E

mgh

P.E

Elastic P.E

The energy stored in coal is

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Heat Energy

Kinetic energy

Chemical energy

Nuclear energy

What kind of waste is produced by nuclear power plant?

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Carbon di oxide

Radio active

Fuels

Toxic material

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