Question # 1

The SI unit of magnetic induction is

Choose an answer

Gauses

Tesla

Weber

Weber²

Momentum is a parameter associated with

Choose an answer

wave motion

particle motion

neither wave nor particle motion

none of these

When the magnitude of two component vectors are equal to that of their resultant, then the angle between the components is:

Choose an answer

60°

90°

120°

150°

The drag force acting on a spherical droplet of radius 10^-5m moving with a velocity of 1 cm/sec in a fluid of velocity 5.31 x 10^-7m/sec. The units comes out to be:

Choose an answer

10^-16N

10^-14N

10^-12N

10^-10N

Work is a

Choose an answer

Scalar quantity

Vector quantity

Base quantity

None of these

When a mass 'm' is pulled slowly, the spring stretches by an amount x₀,then the average force would be

Choose an answer

F= Kx₀

F=1/2Kx₀

F=2Kx₀

F=4Kx₀

The output voltage of half wave rectification is in the form of

Choose an answer

a smooth curve

a smooth wave

pulses

all of the above

The space around the earth within it exerts a force of attraction on other bodies of known as:

Choose an answer

Nuclear field

Conservative field

Electric field

Gravitational field

A dirty carpet is to be cleaned by heating. This is an accordance with____ law of motion:

Choose an answer

First

Second

Third

None of these

A toy car moves around a circular track of radius 0.3 m at the rate of 120 rev/min. The speed V of the car is:

Choose an answer

38 m/sec

3.8 m/sec

0.6 m/sec

None of these

Rate of diffusion is

Choose an answer

Faster in solids than in liquids and gases

Faster in liquids than in solids and gases

Equal to solids, liquids and gases

Faster in gases than in liquids and solids

Viscus force between two layers depends on

Choose an answer

Relative velocity of the layers

Distance between layers

Surface area of layers

All of these

Work done by 1kg of water when it falls through the height of 10m is

Choose an answer

98 j

9.8 j

100 erg

9800 erg

A man pushes a wall but falls to displace it.He does:

Choose an answer

Negative work

Maximum positive work

Positive work but not maximum

No work

The re conversion of light signals into electrical signals takes place due to

Choose an answer

Transmitter

Receiver

Generator

None of these

The body is in a dynamic equilibrium when it is

Choose an answer

At rest

In motion

In uniform motion

Acceleration motion

The electrons occupying the conduction band are known as

Choose an answer

conduction electrons

free electrons

both of them

none of them

When light travels from one medium to another which are separated by a sharp boundary the characteristic which does not change is

Choose an answer

Velocity

Wavelength

Frequency

Amplitude

Only those processes are probable to take place for which entropy os the system:

Choose an answer

Increases

Remains constant

Both A and B are correct

None of above

What will be efficiency of carnot engine when it is operated between the temperatures 47^oC and 127 ^oC:

Choose an answer

Reversible

Irreversible

Sometimes A and B

None of these

A motor runs at 20 rev/s and supplies a torque of 75Nm. Power delivered by it is

Choose an answer

6.12 hp

12.6 hp

7.3 hp

8.3 hp

The speed of light in vacuum is 3 x 10⁸ ms^-1.Its speed in a medium of refractive index 1.5 will be

Choose an answer

6.5 x 10⁸

2 x 10⁸ ms^-1

4.5 x 10⁸ cm

5.5 x 10⁸

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