Question # 1

Which of the following is produced in refrigerators by evaporation of a liquefied gas?

Choose an answer

Heating

Cooling

Freezing

Melting

Most of the matter that fills the universe is in state:

Choose an answer

Solid

Plasma

Liquid

Gas

Outer edge of the curved road is elevated to prevent

Choose an answer

Circular motion

Centripetal force

Skidding

Protection

Ice at ............ °C is more effective in cooling.

Choose an answer

0

-1

-2

-3

The density of water is:

Choose an answer

5500 kgm^-3

10000 kgm^-3

1000 kgm^-3

330 kgm^-3

According to Archimedes, up thrust is equal to :

Choose an answer

Weight of displaced liquid

Volume of displaced liquid

Mass of displaced liquid

None of these

If a liquid of mass 'm' requires thermal energy 'ΔQv' to completely change into gas at its boiling point without any change in its temperature, then its latent heat of vapourization can be calculated as following:

Choose an answer

Hv = m/ΔQv

Hv = mΔQv

Hv = cmΔQv

Hv =ΔQv/m

The net torque acting on a rotating body with uniform speed is:

Choose an answer

0

1

2

5

P.E is equal to:

Choose an answer

mgh

1/2 mv²

W x F

None of these

The formula of pressur is:

Choose an answer

Fx a

A/F

F/A

None of these

the to and fro motion of a body about its mean positionis called.

Choose an answer

Circular motion

Random motion

Rotatory motion

Vibratory motion

Number of factors on which torque depends :

Choose an answer

2

3

4

5

What will be the magnitude of work if a force of 25N pulls a stone through a distance of 5 m in its directions

Choose an answer

25 J

50 J

75 J

125 J

More Classes

Other Links

Physics 9th Class English Medium 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