Question # 1

S.I unit of pressure is :

Choose an answer

Nm^-2

Newton

Joule

Watt

Stress is defined as

Choose an answer

Stress = Force/ Area

Stress = Area/Force

Stress = Area/ Volume

Stress = Mass/ Volume

At sea level height if mercury is:

Choose an answer

1000 cm

10 cm

1m

76 cm

SI unit of pressure is pascal, which is equal to

Choose an answer

104 Nm-2

1 Nm-2

102 Nm-2

103 Nm-2

The formula of Density is:

Choose an answer

m/v

v/m

m x v

None of these

As we go up the density of air in the atmosphere:

Choose an answer

Decreases

Increases

Remain constnat

None of these

Atmospheric pressure is measured by an instrument called:

Choose an answer

Barometer

Altimeter

Meter rod

Hydrometer

What should be approximate length of a glass tube to construct of water barometer?

Choose an answer

0.5 m

1 m

2.5 m

11 m

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

Choose an answer

Area

Volume

Strain

Force

Ships and submarines float partially or completely according to:

Choose an answer

Newton's law

Pascal's law

Principle of floatation

None

Which of the substance is the lightest one?

Choose an answer

Copper

Mercury

Aluminim

Lead

1 litre is equal to:

Choose an answer

10² m³

10^-3 m³

10³m³

10⁶m³

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

Choose an answer

Momentum

Pressure

Mass

Velocity

More Classes

Other Links

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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer