Question # 1

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

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P.E

K.E

Both

None

1 mega watt is equal to:

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10² W

10³ W

10⁵ W

10⁶W

In Einstin's mass energy equation, c is the :

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Speed of sound

Speed of light

Speed if volume

None of these

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

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Remain the same

Become double

Become four times

Become half

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

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

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Zero

Maximum

Minimum

None of these

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

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

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Parallel

Perpendicular

Anti parallel

Tangent

If W stands for work, F stands for force and S stand for displacement, than mathematical work is defined as

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W = P x S

W = F x v

W = F x r

W = F x S

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

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Coal

Gas

Sunlight

Petrolum

Work done is maximum when angle between force and displacement is:

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45°

0°

60°

90°

Kinetic and potential energy are the kinds of energy:

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Chemical

Nuclear

Light

Mechanical

The S.I unit of power is:

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Newton

Watt

Joule

Coulomb

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