Question # 1

At constant temperature and pressure, if volume of given mass of a gas is doubled then density is.

Choose an answer

Doubled

1/4 original

1/2 of original

Unchanged

In simple harmonic motion the velocity of a particle is maximum at.

Choose an answer

Extreme position

Mean position

In between extreme and mean position

None of them

The resultant of two forces 3 N and 4 N acting at right angle to each other is

Choose an answer

7 N

5 N

4 N

1 N

Stars moving away from Earth show a

Choose an answer

Green shift

Blue shift

Red shift

Yellow shift

Which is the example of vector quantity

Choose an answer

Torque

Speed

Density

Work

In order to produce beats, the two sound waves should have.

Choose an answer

The same amplitude

Slightly different amplitude

The same frequency

slightly different frequencies.

The light emitted from light emitting diode has wave length.

Choose an answer

1.1 micro meter

1.3 micro meter

1.5 micro meter

1.7 micro meter

Distance covered by a freely falling body is 2 seconds will be

Choose an answer

9.8 m

19.6 m

44.4 m

49 m

Two tunign forks of frequencies 260 Hz and 256 Hz are sounded together , the number of beats per second is.

Choose an answer

2

258

516

4

When a body is moving along a circular path, then such a motion is called

Choose an answer

Vibratory motion

Rotatory motion

Linear motion

None of these

A Carnot engine has an efficiency of 50% when its sink temperature is at 27 ^oC. The temperature of source.

Choose an answer

273^oC

300 ^oC

327 ^oC

373 ^oC

A typical diffraction grating has certain number of lines per centimeter whose range is.

Choose an answer

40 to 50

400 to 5000

400 to 500

4000 to 5000

Environmental crisis are also known as

Choose an answer

Population crisis

Entropy crisis

War crisis

Mass crisis

Which of the following is mechanical wave

Choose an answer

Heat

Light

Sound

None of these

Change of momentum is equal to

Choose an answer

Force

Tension

Impulse

Pressure

The weight of an object an elevator moving down with an acceleration of 9.8 m/s2 will becomes

Choose an answer

Half

Double

Unchanged

Zero

The difference between tow molar capacities is equal to.

Choose an answer

Plank's constant

General gas equation

Molar gas constant

Boltzmann constant

A force applied on a body produces acceleration in

Choose an answer

Opposite direction

perpendicular direction

Its own direction

In any direction

More Classes

Other Links

Physics Fsc Part 1 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

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer