Question # 1

In symbols, co-efficient of volume expansion is defined as

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β = ΔT/V∘ΔV

β = ΔV/ΔT

β = ΔV/V∘ΔT

β = ΔT/ΔV

The formula of heat capacity is:

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mc

mc𝜟𝜽

mc𝜟Q/𝜟T

None of these

The velocity of bodies falling down

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Dwscreses

Increases

Zero

Constant

The number of base units in SI are.

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3

6

7

9

Centripetal force always acts _________ to the motion:

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Opposite

Parallel

Perpendicular

Upward

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

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Towards the moving bus

Away form the bus

In the direction of motion

opposite to the direction of motion

Value of g increases with the:

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Increase in mass of the body

Increases in altitude

decrease the altitude

None of the above

ΣF=0 is __________ condition of equilibrium:

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1st

2nd

Unstable

Stable

Mercury is denser than water by time:

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13,6

10

15

20

in isolated system the momentum after collision of two bodies.

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Increase

Constnat

Decrease

Zero

What should be approximate length of a glass tube to construct of water barometer?

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0.5 m

1 m

2.5 m

11 m

False celling is done to

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Lower the height of ceiling

Keep the roof clean

cool and room

Insulate the ceiling.

Product of mass and velocity of a body is called.

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Torque

Force

Work

Momentum

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