Question # 1

A heat engine operates between the temperature 1000 K and 400 K, Its efficiency is.

Choose an answer

100%

70%

60%

50%

Which of the following is the derived quantity.

Choose an answer

Time

Length

Area

Mass

One revolution is equal to.

Choose an answer

90^o

180^o

360^o

270^o

Which of the following is mechanical wave

Choose an answer

Heat

Light

Sound

None of these

Frequency range of hearing of cats is.

Choose an answer

20-20000 Hz

10- 10000 Hz

60-20000 Hz

60-70000 Hz

The collision between the gas molecules is

Choose an answer

Elastic

Inelastic

Both a and b

None of these

Dot product of vector with itself is.

Choose an answer

Zero

2 A

A²

A

Choose an answer

Unit vector

+ve of a vector

Resultant vector

-ve of a vector

Angular momentum has the same unit as

Choose an answer

Impulse x distance

Power x time

Linear x time

work x frequency

The Carnot cycle can be shown by which graph

Choose an answer

P - T graph

P - V Graph

V- T graph

PV -T graph

The resultant of two vectors having magnitude 12 N and 8 N can not be

Choose an answer

2 N

20 N

10 N

16 N

If an object lies at focus point F in front of a converd lens, its image is formed at.

Choose an answer

2F

F

3F

Infinity

Parallel vectors of same magnitude will be

Choose an answer

Equal

Opposite

Both a and b

None of these

The motion of gas molecules is

Choose an answer

In the same direction

Random

Walls of container

Opposite to each other

The SI unit of work is

Choose an answer

Newton

Joule

Mol

Calorie

With increase of temperature, speed of sound.

Choose an answer

Remains constant

Becomes zero

Decreases

Increases

When two waves of same frequency travel in opposite direction, the phenomenon will be

Choose an answer

Diffraction

Stationary waves

Polarization

Interference

The study of fluid dynamics is

Choose an answer

Easy

Complicated

Impossible

None of these

More Classes

Other Links

1st Year Fsc Physics 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