Question # 1

The deforming force is called _______________

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Stress

Strain

Young's Modulus

Nil

As we go up the value of atmospheric pressure is

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Decreased

Increased

Remain constnat

None of these

_______________ was a pupil of Galileo.

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Einstein

Robert

Al Razi

Torricelli

Plasma is .......... state of matter .

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Molecular

Fourth

Smallest

Nil

The Young's Modulus of Rubber is:

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1.40 ×106 N/m2

1.6× 106 N/m2

1.4 × 107 N/m2

0.40 × 108 N/m2

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

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Increase

Decreases

Constant

None of these

Unit of strain is

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Nm

N

Both a and b

No unit

Atmospheric pressure acts in:

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upward direction

Down ward direction

Opposite of force

All direction

The force acting on unit area at surface of a body is called:

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Strain

Elasticity

Force

Stress

1 meter cube is equal to:

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1 liters

10 liters

1000liters

100liters

The vacuum in barometer is called:

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Deep vacuum

Mercury vacuum

Torricellian vacuum

None of above

According to Archimedes, upthrust is equal to

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Weight of displaced liquid

Volume of displaced liquid

Mass of displaced liquid

None of these

According to Archimedes principle the density of a substance is determined by using formula

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D = w1/w2 + w1 x p

D = w1w2/w2- w1 x p

D = w1/w2 - w1 x p

D = w1w2/w2- w1 x p

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