Question # 1

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

Newton related inertia of the body with its

Choose an answer

Weight

Mass

Density

Force

Least count of digital stop watch is.

Choose an answer

0.01 sec

0.1 sec

1 sec

10 sec

Those objects that conduct electricity are:

Choose an answer

Conductors

Insulators

Semi conductOrs

None of these

Pressure is quantity:

Choose an answer

Scalar

Vector

Constnat

Dependent

Turning effect of a force is called:

Choose an answer

Torque

Moment

Couple

Torque and momentum

Product of mass and velocity of a body is called.

Choose an answer

Torque

Force

Work

Momentum

Dull black surface are good ____________

Choose an answer

Absorber

Radiator

Conductor

None of these

Mathematically, % efficiency is defined as & nbsp

Choose an answer

Efficiency % required form or input/ total input energy x 100

Efficiency % input energy / output energy x 100

Efficiency % work / time x 100

Which of following units is equal to Kgm² s^-2

Choose an answer

Newton

Joule

Watt

Coloumb

The static fraction between wood and lather is _______________

Choose an answer

0.6

0.7

0.9

0.8

If f = 40 N is applied and bus is move 1m than work is :

Choose an answer

40 J

60 J

80 J

No work

Which one of the following converts light energy into electrical energy:

Choose an answer

Electric Bulb

Electric Generator

Photocell

Electric generator

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