Question # 1

The main source of energy n the universe is:

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Moon

Stars

Sun

Planets

What is mass of body if W = 580 N ?

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5.8 Kg

0.58 kg

0.058 kg

58 kg

The angle between rectangular components of a vector is

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0°

90°

180°

270°

A boy jumps out of a moving bus . There is danger for him to fall:

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Towards the moving bus

Away from the bus

In the direction of motion

Opposite to the direction of motion

Degree of hotness or coldness a body is called:

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Heat

Internal Energy

Temperature

Potential energy

Which gas behaves as glass or polythene to radiation:

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Nitrogen

Hydrogen

Carbon di oxide

Methane

The velocity of bodies falling down

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Dwscreses

Increases

Zero

Constant

When center of gravity is at the highest position body will be in:

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Neutral equilibrium

Stable equilibrium

Unstable equilibrium

None of these

Which one of the following units is not a derived unit?

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Pascal

Kilogram

Newton

Watt

The turning effect of force is called:

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Torque

Parallel force

Equilibrium

Couple

The motion of a body is straight line is.

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Random motion

Linear motion

Translatory motion

Circular motion

The Earth attracts a body with a force equal to its:

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Velocity

Gravity

Weight

Mass

When a body is lifted through a height h, the work donw on it appears in the form of its.

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Kinetic energy

Potential energy

Elastic energy

Geothermal energy

In Which of the following state molecules do not leave their position?

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Solid

Liquid

Gas

Plasma

Feathers of bird give good thermal:

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Conduction

Insulation

Convection

None of these

Latent heat of vaporization is denoted by:

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H1

Hm

Hv

Hf

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