Question # 1

To designate the voltage as low or 0 by a logic gate, the specified minimum value is:

Choose an answer

0.2 volt

0.8 volt

0 volt

2.0 volt

5.0 volt

When there is no relative motion between the magnet and coil, the galvanometer indicated

Choose an answer

No current in the circuit

An increasing current

A decreasing current

A constant current

Either B or C

Distance covered by a freely falling body in 2 sec will be

Choose an answer

4.9 m

19.6 m

29.2 m

44.1 m

The angle which specifies the instantaneous value of the alternating voltage or current is called

Choose an answer

phase

critical angle

angle of incidence

all of these

Beta particles are

Choose an answer

hydrogen nuclei

helium nuclei

electrons

photons

At high altitude the blood oozes out of the nose and ear because

Choose an answer

The blood pressure increase at high altitudes

The percentage of oxygen in the air increase

The atmospheric pressure decrease there

The density of blood decrease at high altitudes

The electric flux from a closed surface

Choose an answer

Is independent of the shape of the surface

Depends on the charge enclosed by the surface

Both a and b

None of the above

If a gymnast sitting on a rotating stool with his arms outstretched, brings his arms towards the chest, then its angular velocity will

Choose an answer

Increase

Decrease

Remain constant

None of these

Which of the following forces is responsible for SHM

Choose an answer

Applied force

Restoring force

Fractional force

Elastic force

A current carrying conductor is placed at right angle to the magnetic field. The magnetic force experienced by the conductor is

Choose an answer

minimum

maximum

zero

none of these

An object thrown upward with an initial velocity at certain angle with the horizontal and moving freely under the action of gravity is called

Choose an answer

a rocket

an aeroplane

a projectile

a ballon

Acceleration means the speed of the body is

Choose an answer

Increasing

Decreasing

Just stop

None of these

All changes which occur suddenly are irreversible through

Choose an answer

Conduction

Convection

Radiation

All of these

Which part of the spectrum is most visible?

Choose an answer

Red

Violet

Yellow

Yellow-green

The frequency of light ray is 6 x 10¹⁴ Hz. The frequency when it propagates in a medium of refractive index 1.5 will be

Choose an answer

6 x 10¹⁴ Hz

4 x 10¹⁴ Hz

9 x 10¹⁴ Hz

1.67 x 10¹⁴ Hz

The rate at which the battery is supplying the electrical energy is the:

Choose an answer

Power output

Electrical power

Power input

Both A and C

The wave nature of light was proposed by

Choose an answer

Einstein

Maxwell

Huygen

Newton

Under normal circumstances the volume of the blood is sufficient to keep the vessels

Choose an answer

Inflated all the time

Deflated all the time

Contracted all the time

Squeezed all the time

Such a surface on which all the points have the same phase of vibration is known as

Choose an answer

wavefront

amplitude

displacement

all of them

With rise in temperature the electric conductivity of intrinsic semiconductor

Choose an answer

Increases

Decreases

First increases and then decreases

First decreases and then increases

In petrol engine, the fourth stroke is the

Choose an answer

Power

Compression

Exhaust

None of these

The relative velocity before and after the collision is

Choose an answer

V₁+ V₂= V'₂+ V'₂

V₁- V₂= V'₂- V'₁

V₁- V₂=-( V'₂- V'₁)

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