Question # 1

Which one of the following is dimensionless:

Choose an answer

Acceleration

Velocity

Density

Angle

A body is moving with constant velocity of 10 m/sec in the north-east direction. Then its acceleration will be:

Choose an answer

10 m/sec²

20 m/sec²

30 m/sec²

Zero

The superposition of the two waves of same frequency and amplitude travelling in the same direction gives to an effect called

Choose an answer

Diffraction

Interference

Polarization

Dispersion

In the formula B= µ̻ nl, the symbol n denotes:

Choose an answer

Total number of turns of solenoid

Number of turns per unit length

Number of turns per unit volume

Numbers of turns per unit area

Number of moles

The SI unit of magnetic flux is.

Choose an answer

weber

Nm^-1A^-1

tesla

gauss

In the same medium, velocity of the wave:

Choose an answer

Goes on increasing

Remains constant

Goes on decreasing

None of these

While describing the motion of a simple pendulum, the frictional effects are

Choose an answer

taken into account

completely ignored

partially ignored

none of them

The SI unit of capacitance is

Choose an answer

Farad

Henry

Ohm

Volt

When sound waves travel from air to water which of these remains constant?

Choose an answer

Velocity

Frequency

Wavelength

All the above

The natural frequency of a pendulum which is vibrating freely, depends upon its

Choose an answer

mass

length

material

all of them

Calculate the amount of charge flowing in 2 minutes in a wire of resistance 10Ωwhen a potential difference of 20 V is applied between its ends

Choose an answer

120 C

240 C

20 C

4 C

The mass of electrons in Me V is

Choose an answer

1.02 Mev/C²

0.51 Mev/C²

51 Mev/C²

102 Mev/C²

Under a constant torque,the angular momentum of a body changes from A to 4A second find the torque.

Choose an answer

(3/4)A

(1/4)A

3A

(4/3)A

The unit of coefficient of viscosity is

Choose an answer

kgm^-1s^-1

Nsm^-2

Poise

All of these

Examples of first law of thermodynamics

Choose an answer

Working of bicycle pump

Human metabolism

Brakes applied by an auto mobile

All of these

A hole is drilled half-way to the centre of earth. A body weighs 200 N on surface of earth. How much will it weigh at bottom of the hole

Choose an answer

100 N

150 N

200 N

250 N

What makes the hair shaving brush cling together when taken out of water

Choose an answer

Viscosity

Attraction between the hair

Gravity

Surface tension

The charges are attracted when

Choose an answer

Two charges are alike

Two charges are opposite

All of them

None of these

A device which is based upon the thermodynamic property of matter is

Choose an answer

Thermometer

Thermo state

Heat engine

Calorimeter

Two substances having the same crystal structure are called:

Choose an answer

Isomorphism

Subtance

Allotropic subtances

Polymorphous substances

Frequency of red colour as compared to that of violet colour is:

Choose an answer

Equal

Smaller

Greater

None of these

A charge Q is divided into two parts q and Q - q and separated by a distance R.The force of repulsion between them will be maximum when:

Choose an answer

q = Q/4

q = Q/2

q = Q

None of these

More Classes

Other Links

Physics General Science Test Medium Mode 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

Choose an answer

Choose an answer

Choose an answer

Choose an answer