Question # 1

Co-efficient of friction between iron and iron is:

Choose an answer

1.0

0.62

0.9

1.2

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

Choose an answer

0

-1

-2

-3

The altitude of geostationary orbits in which communication satellites are launched above the surface of the Earth.

Choose an answer

850 km

1000 km

6400 km

42,300 km

GPS consists of __________ earth satellites.

Choose an answer

30

2

7

24

One horse power is equal to:

Choose an answer

746 W

749 W

764 W

794 W

S.I unit of gravitational field strength is:

Choose an answer

Nkg

Nkg^-1

Nkg^-2

Nkg^-3

If the direction of motion of the force is perpendicular to the direction of motion of the body then work done will be:

Choose an answer

Maximum

Minimum

Zero

None of these

Kinetic and potential energy are the kinds of energy:

Choose an answer

Chemical

Nuclear

Light

Mechanical

Convection of heat is a process of heat transfer due to;

Choose an answer

Random motion of molecules

Downward motion of molecules

Upward motion of molecules

Free motion of molecules

A silvery white surface is a :

Choose an answer

Worst reflector

Best reflector

Worst absorber

Best absorber

Light from the sun contain thermal radiation of:

Choose an answer

Long wavelength

Short wavelength

Ultra violet rays

Visible light

There are ways to transfer the heat from one place to another.

Choose an answer

1

2

3

4

Glass and transparent polythene sheets allow radiations of wavelength to pass through them:

Choose an answer

Long

Medium

Short

All

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