Question # 1

Total confined light is obtained by

Choose an answer

Total internal reflection

Refraction of light

Diffraction

Polarization

The efficiency of heat engine whose sink is at 17 ^oC and source at 200 ^oC is.

Choose an answer

38%

63%

80%

90%

Entropy of measure of.

Choose an answer

Internal energy of system

Order of system

Disorder of system

Potential energy of system

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

Vectors have

Choose an answer

Numerical value

Directional

Both a and b

None of these

The efficiency of diesel engine is about

Choose an answer

25 % to 30%

35% to 40%

40% to 50%

50% to 60%

10 waves pass through a point in 2 seconds with speed 10 ms-1 the frequency of wave will be

Choose an answer

1 Hz

2 Hz

5 Hz

10 Hz

A 60 kg man in an elevator is moving upward with an acceleration of 9.8 ms-2. The apparent weight of the man.

Choose an answer

Increase

Decreases

Remain constant

Becomes zero

SI unit of work

Choose an answer

Newton

Walt

Pascal

Joule

A constant temperature, if pressure of a given mass of gas is halved, then its volume becomes.

Choose an answer

Halve

Doubled

Four time

Constant

P.E. of a spring is stored in

Choose an answer

Spring

mass

Both of them

None of these

Using a graded Index fibre, the time difference is reduced to about.

Choose an answer

1 ns per km

33 ns per 100 km

33 ns per km

1 ns per 100 km

The magnification of a convex lens of focal length 5 cm is equal to.

Choose an answer

5

6

10

23

The fluid is said to be incompressible, if its density is.

Choose an answer

Zero

Very high

Constant

Very small

The error in speed of sound calculated by Newton at STP is about.

Choose an answer

0 %

14 %

15 %

16 %

The sum of two or more vectors will be a single vector called

Choose an answer

Component vector

Position vector

-ve vector

Resultant vector

If the slope of the velocity time graph remain constant then body is moving with.

Choose an answer

Uniform velocity

Negative variable acceleration

Variable acceleration

Uniform acceleration

Height of projectile is maximum at an angle of.

Choose an answer

45^o

60^o

30^o

90^o

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