Question # 1

Atmospheric pressure acts in:

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upward direction

Down ward direction

Opposite of force

All direction

According to hook's law stress is directly proportional to :

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Area

Volume

Strain

Force

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

The forces that are parallel to each other and have the same direction are called:

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Like parallel forces

Unlike parallel forces

Resultant forces

Net forces

Value of 'g' on surface of moon is:

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1.62 ms^-2

3.7 ms^-2

9.2 ms^-2

10 ms^-2

S.I unit of pressure is :

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Nm^-2

Newton

Joule

Watt

On heating Air become:

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Heavier

Lighter

Remain same

None of these

The bad conductor of heat is:

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Iron

Copper

Air

Aluminum

The weight of body on earth with mass 8 kg is:

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10 N

100 N

80 N

8 N

The energy store in an atom or molecule due to intermolecular force is:

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Kinetic energy

Potential energy

Internal energy

G.P.E

The conduction is due to:

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They have high boiling point

Vibration of atoms

They have high melting point

None of above

Mass per unit volume is:

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Velocity

Work

Density

None

The unit of strain is:

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Nm^-2

Pa

Newton

None

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