Question # 1

1 hp is equal to :

Choose an answer

747 W

746 W

748 W

1000 W

The S.I unit of power is:

Choose an answer

Newton

Watt

Joule

Coulomb

If a person is not moving when he lifts a load on his head work is:

Choose an answer

FS

FS Cos𝜽

FS Sin𝜽

0

Fossils fuels are usually compound of:

Choose an answer

Carbon

Hydrogen

Carbon & Hydrogen

None of these

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

The S.I unit of power is :

Choose an answer

j/s2

J

W

J/M2

Ability of body to do work due to its height is called.

Choose an answer

potential energy

kinetic energy

gravitational potential energy

elastic potential energy

The product of force and distance is :

Choose an answer

Force

Work

Torque

Nil

The kinetic energy of a body of mass 2 kg is 25 J. Its speed is:

Choose an answer

5 ms^-1

12.5 ms^-1

25 ms^-1

50 ms^-1

Einstein's mass-energy equation relation is:

Choose an answer

E =1/2 mc²

E =mc²

E =m²c

E = 2 mc²

The speed of light is equal to:

Choose an answer

3 x 10⁵ ms^-1

3 x 10⁸ms^-1

3 x 10⁹ms^-1

3 x 10²ms^-1

Formula of Gravitational potential energy is:

Choose an answer

mgh

mg/h

1/2 mv²

None of these

In Einstin's mass energy equation, c is the :

Choose an answer

Speed of sound

Speed of light

Speed if volume

None of these

More Classes

Other Links

Physics 9th Class English Medium Unit 6 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