Question # 1

The damping depends upon the

Choose an answer

amplitude

sharpness

both of them

none of them

A circuit has a resistance of 11Ωan inductive reactance of 25Ωand a capacitance reactance of 18Ω. It is connected to an a.c. source of 200 V and 50 Hz. The current through the circuit (in amperes) is

Choose an answer

11

15

18

20

For a parallel resonant circuit at resonance, current from supply is

Choose an answer

minimum

maximum

zero

none of these

A heater coil rated at (1000 W - 200 V) is connected to 110 volt line. What will be the power consumed?

Choose an answer

200 W

302.5

250 W

350 W

When a mass attached to a spring begins to move left or right from the equilibrium position, its P.E.:

Choose an answer

Increases

Decreases

Remains constant

None of these

An object undergoes S.H.M has maximum speed when its displacement from the mean position is

Choose an answer

maximum

zero

half of the maximum value

one third of the maximum value

Rate of decay is actually described by.

Choose an answer

Half line

Decay constant

Mean life

Total life

None of these

A 60 W bulb operates on 220 V supply. The current flowing through the bulb is

Choose an answer

11/3 A

3 A

3/11 A

6

The conventional current is the name given to current due to flow of

Choose an answer

Positrons

Positive charges

Negative charges

Both A and C

None of these

Tick the one which is not polymer solid:

Choose an answer

Zirconia

Polythene

Nylon

Synthetic rubber

None of these

The substance in which atoms are so oriented that the field produced by spin and orbital motion of the electrons might add up to zero,are called

Choose an answer

diamagnetic substances

ferromagnetic substances

paramagnetic substances

all of them

The branch of physics which concerned with the ultimate particles of which the universe is composed is known as

Choose an answer

Solid state Physics

Particle Physics

Nuclear Physics

Atomic physics

The pressure P of a gas at constant temperature varies with its density P

Choose an answer

Directly

Inversely

Equal

None of these

The torque is taken as negative when it is

Choose an answer

Clockwise

Anticlockwise

Both

None of these

Davisson and Germer received the Nobel prize for their work on:

Choose an answer

Wave nature of particle

Corpuscular nature of wave

Dual nature of particle

All of them

A sonar depth finder in a boat uses sound signals to determine the depth of water. Fourseconds after the sound leaves the boat it returns to the boat because of reflection fromthe bottom. Assume the speed of sound in water is 1,460 meters per second. The depth of the water is, in meters, :

Choose an answer

2,200

4,800

4,400

2,920

The percentage errors in the measurement of mass and speed are 3% and 4% respectively.The maximum error in the measurement of kinetic energy is:

Choose an answer

11%

10%

8%

9%

The appearance of colours in the shape (or oil) film results from:

Choose an answer

Dispersion

Interference

Reflection

Refraction

Which of the following is not measured in units of energy

Choose an answer

Couple (angle turned through)

Moment of inertia (angular velocity)²

Force (distance)

Force (time)

The wavefront formed at very large distance from the source is:

Choose an answer

Cylindrical

Spherical

Elliptical

Plane

A cable breaks if stretched by more than 2 mm.It is cut into two equal parts.How much either part can be stretched without breaking?

Choose an answer

0.25 m

0.5 m

1 mm

2 mm

Blood vessels under normal conditions are inflate

Choose an answer

Occasionally

Some times

All the times

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