Question # 1

The potential energy of a body of mass 'm' placed at a height 'h' above the surface of earth is equal to

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P.E. = mg

P.E. = mgh

P.E. = 3mgh

P.E. = 2mgh

2nd law of motion is stated as:

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F=m/a

F=ma

F=a/m

F=ma²

1 hp is equal to :

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747 W

746 W

748 W

1000 W

More radiation is reflected by the surface:

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White

Coloured

Black

Rough

The base quantity is.

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Volume

Torque

Mass

Momentum

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

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Solid

Liquid

Gas

Plasma

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

Tensile strain produces the change in the object.

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Length

Volume

Area

Density

The changing of a liquid into vapours from the surface of the liquid

without heating:

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Cooling

Vaporization

Evaporation

Sublimation

When the cyclist stop pedalling, bicycle stops due to :

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Friction

Momentum

Weight

Mass

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

At sea level, the height of mercury column in mercury barometer is approximately:

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72 cm

74 cm

76 cm

78 cm

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9th Class Physics English Medium KPK Boards Online Mcqs MCQs With Answers

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