Question # 1

S.I unit of pressure is Pascal which is equal to?

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10 Nm^-2

1 Nm^-2

10² Nm^-2

10³ Nm^-2

As we go up the value of atmospheric pressure is

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Decreased

Increased

Remain constnat

None of these

The quantity that depends upon the force and increases with decrease in the area on which force is acting is called

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Momentum

Pressure

Mass

Velocity

Stress is defined as

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Stress = Force/ Area

Stress = Area/Force

Stress = Area/ Volume

Stress = Mass/ Volume

If force will be applied on smaller area, pressure will become:

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Much less

Zero

More

Less

Plasma exist in _______________

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Earth

Satellite

Moon

Sun

During the hot summer day the vlaue of atomospheric pressure is:

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Increase

Decreases

Constant

None of these

Mercury is denser than water by time:

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13,6

10

15

20

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

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Solid

Liquid

Gas

Plasma

Archimedes is a scientist:

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Greek

Italian

French

English

Atmospheric pressure acts in:

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upward direction

Down ward direction

Opposite of force

All direction

The density of a substance can be found with the help of:

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Pascal's law

Hook's law

Archimedes principle

Principle of floatation

At a height of 30 km, atmospheric pressure is:

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101300 Pa

1000 Pa

10000 Pa

101325 Pa

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