Question # 1

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

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Strain

Elasticity

Force

Stress

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

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Area

Volume

Strain

Force

Pressure is quantity:

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Scalar

Vector

Constnat

Dependent

Ship and boats are designed on the principal of

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Charge

Densities

Volume

Floatation

Unit of pressure is :

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N/ m

Pa

N

m/N2

1 meter cube is equal to:

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1 liters

10 liters

1000liters

100liters

S.I unit of young's modulus is:

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Nm

Nm^-1

Nm^-2

Nm^-3

How many times Mercury is denser than water?

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12.5

13.6

76

76.5

An increasing with decline in atmospheric pressure cause:

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Rainy condition

Pleasent condition

Windy condition

Intense condition

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

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Solid

Liquid

Gas

Plasma

As we go up the value of atmospheric pressure is

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Decreased

Increased

Remain constnat

None of these

Breaking system in vehicles depends upon:

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Pascal's law

Hook's law

Archimedes law

Principle of floatation

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

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Increase

Decreases

Constant

None of these

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Physics 9th Class English Medium Unit 7 Online Test MCQs With Answers

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