Question # 1

Which gas is replaced by Ammonia in refrigerators?

Choose an answer

Nitrogen

Carbon di oxide

Methane

Freon gas

Two equal but unlike parallel forces having different line of action produce:

Choose an answer

A torque

A couple

Equilibrium

Neutral equilibrium

If base of a right angle triangle is 3 cm and perpendicular is 2 cm. What is tanθ

Choose an answer

0.7

1.5

2

3

The units of electric current is.

Choose an answer

Candela

Metre

Second

Ampere

In Einstein's mass-energy equation c means speed of light. Its value is:

Choose an answer

3 x 10^-8 ms^-1

3 x 10⁸ms^-1

3 x 10⁹ms^-1

3 x 10¹⁸ms^-1

Minor but rapid change in atmospheric pressure cause:

Choose an answer

Poor condition

Intense condition

Windy condition

Pleasant condition

A mass of a body:

Choose an answer

Decreases when accelerated

Increases when accelerated

Decreases when moving with velocity

None of the above

The unit of rate of conduction :

Choose an answer

JS^-1

J

K

JK^-1

The smallest division taht can be taken by a meter rule is.

Choose an answer

1 cm

1 mm

1 dm

1 km

Weight of the body when we increase its height from earth's surface.

Choose an answer

Increase

Decrease

Remain constant

None

The orbital speed of a low orbit satellite is

Choose an answer

Zero

8 ms-1

800 ms-1

8000 ms-1

Anything kept in thermos :

Choose an answer

In temperature remain constant

Its temperature decrease

Its temperature increase

None of these

Hydraulic press is a machine which works on

Choose an answer

Hook's law

Archimedes principle

Pascal's law

Boyle's law

More Classes

Other Links

9th Class Physics English Medium KPK Boards Online Mcqs 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