Question # 1

Speed of sound in vacuum is

Choose an answer

280 ms-1

332 ms-1

333 ms-1

Zero ms-1

If focal length of objective and eye piece is 0.5 m and 10 cm respectively then magnifying power of telescope will be.

Choose an answer

0.5

5

10

20

If a mass of a body is doubled, then acceleration becomes.

Choose an answer

Double

Half

One fourth

Constant

No of spark plugs needed in the diesel engine are.

Choose an answer

0

1

2

3

A ray of light is a line

Choose an answer

Parallel to wave front

Normal to wave front

Anti-parallel to wave

Any one of these

Who did give the correct formula for the speed of sound in air?

Choose an answer

Boyle

Laplace

Newton

Einstein

Which of the following is not directed along the fixed axis of rotation.

Choose an answer

Angular displacement

Angular momentum

Centripetal acceleration

Angular acceleration

The magnifying power of an astronomical telescope is 10. If the focal length of objective is 100 cm, then what is the focal length of eye piece.

Choose an answer

10 cm

100 cm

1000 cm

5 cm

The speed of sound in ari at 0 ^oC is 332 ms-1, Then the speed at 40 ^oC will be

Choose an answer

372 ms-1

356 ms-1

346 ms-1

332 ms-1

Unite of thermodynamics scale of temperature is.

Choose an answer

Centigrade

Fahrenheit

Kelvin

Celsius

If 332 waves pass through a medium in 1 second with speed of 332 ms-1 then wavelength will be

Choose an answer

7 m

332 m

664 m

1 m

No body begins to move or comes to rest of itself was given by

Choose an answer

Newton

Pascal

Bernoulli

Bu Ali Sina

The types of optical fibres are

Choose an answer

Three

Four

Five

Six

A diatomic gas molecules has

Choose an answer

Translational energy only

Rotational energy only

Vibrational energy only

All translational, Rotational and vibrational energy

The collision between the gas molecules is

Choose an answer

Elastic

Inelastic

Both a and b

None of these

The instrument which detects the instant as which the external pressure becomes equal to the systolic pressure is called.

Choose an answer

Manometer

Sphygmomanometer

Barometer

Stethoscope

The rate of change of momentum is equal to

Choose an answer

Impulse

Torque

Velocity

Force

Carnot cycle consists of.

Choose an answer

Two steps

Three steps

Four steps

Five steps

More Classes

Other Links

11th Class Part 1 Physics Test Online 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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer