Question # 1

The unit of energy is same as that of

Choose an answer

Power

Work

Torque

Density

Stars moving away from Earth show a

Choose an answer

Green shift

Blue shift

Red shift

Yellow shift

If heat is added to a system, then its entropy will.

Choose an answer

Increases and positive

Decrease and positive

Increases but negative

Decreases but negative

The unit of solar light inversely is

Choose an answer

Watt

kW m-2

Watt m-2

1 m2

The unit o pressure of gas is

Choose an answer

Nm^-2

Pascal

Atmosphere

All of these

In which medium the speed of sound is greater.

Choose an answer

Oxygen

Air

Water

copper

The SI unit of power is

Choose an answer

Joule

Newton

Watt

Kilowatt

Teh speed of sound in air is 340 m/s. If the pressure of air is doubled then the speed becomes.

Choose an answer

Double

Half

Four times

Remains same

The efficiency of diesel engine is about

Choose an answer

25% to 30%

35% to 40%

40% to 50%

50% to 60%

The SI Unit of amount of substance is

Choose an answer

Mole

Joule

Volt

Ohm

S.I Unit of pressure of gas is.

Choose an answer

Nm

N.m

N2/m

N3m

First law of thermodynamics can be defined by the equation

Choose an answer

If 20 waves passes through he medium in 2 sec of 10 ms-1 then he wavelength is.

Choose an answer

200 m

2 m

1 m

0.5 m

Which quantity of the following is dimensionless.

Choose an answer

Angular velocity

Centripetal force

Angular acceleration

Angular displacement

the acceleration of a body having SHM, depends upon its.

Choose an answer

Time period

Amplitude

Frequency

Displacement from mean position

The optical fibre is covered for protection by

Choose an answer

Glass jacket

Plastic jacket

Steel jacket

Diamond jacket

When two identical travelling waves are superimposed, velocity of resultant wave.

Choose an answer

Decreases

Increases

Remain same

Becomes zero

Intensity of light depend on

Choose an answer

Wave length

Amplitude

Velocity

Frequency

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