Question # 1

The value of g at a height one Earth's radius above the surface of the

Earth is:

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2 g

1/2 g

1/3 g1

1/4 g

Center of gravity of an irregular shaped body can be found with help of:

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Screw guage

Plumbline

Meter rode

Wedge

___________ varies with height.

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Weight

Pressure

Mass

Energy

On hot days cold air from sea began to move towards land:

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Sea breeze

Land breeze

Both A and B

None of these

The speed of light is equal to:

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3 x 10⁵ ms^-1

3 x 10⁸ms^-1

3 x 10⁹ms^-1

3 x 10²ms^-1

A couple consists of how many forces:

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1

2

3

4

Weight of the body is due to the :

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Gravitation force

Centripetal force

Centrufugal force

All of the above

_____________ is related to earth attractive force.

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Centre of gravity

Acceleration

Velocity

Nil

Which of the following affects evaporation?

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Temperature

Surface area of the liquid

Wind

All of the above

__________ is a major source of heat:

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Mercury

Sun

Fire

Moon

The value of g on moon's surface is 1.6 ms-2. What will be the weight of a 100 kg body on the surface of the moon?

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100 N

160 N

1000 N

1600 N

See breeze blows form sear to land during:

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day

night

after noon

morning

Rate of change of velocity is known as.

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Acceleration

Speed

Velocity

Distance

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