Question # 1

When a stress on a body crosses the limit, called the?

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Elastic limit

Plastic limit

Failure point

Breaking point

The formula of pressur is:

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Fx a

A/F

F/A

None of these

_______________ was a pupil of Galileo.

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Einstein

Robert

Al Razi

Torricelli

Which property can be determine by ARchimedes principle:

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Vapour pressure

Density

Compressibility

Elasticity

Atmospheric pressure acts in:

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upward direction

Down ward direction

Opposite of force

All direction

1000 liters is equal to:

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100 m³

1 m³

1 cm³

1 mm³

As we go up the value of atmospheric pressure is

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Decreased

Increased

Remain constnat

None of these

In SI system , unit of density is:

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kgm^-1

kgm^-3

kgm^-2

kgm

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

Unit of pressure is :

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N/ m

Pa

N

m/N2

Where there is no air the atmospheric pressure is:

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Zero

101300 Pa

7 nm Hg

1000 Nm^-2

Stress is defined as

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Stress = Force/ Area

Stress = Area/Force

Stress = Area/ Volume

Stress = Mass/ Volume

Which of the solid does not possess the fixed shape and volume?

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Stone

Metal spoon

Pencil

Amorphous solid

Which of the substance is heaviest?

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Copper

Mercury

Aluminum

Lead

A gradual large increase in atmospheric pressure shows:

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Pleasant condition

Rainy condition

Intense condition

Winday condition

The deforming force is called _______________

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Stress

Strain

Young's Modulus

Nil

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