Explore topic-wise MCQs in Physics.

The force which opposes the relative motion between different layers of liquid or gases is called

Which is true

Which law states, "Signifies that good absorbers are good emitters".

Which law states, "the effect produced by a moving source of waves in which there is an apparent upward shift in frequency for observers towards whom the source is approaching and an apparent downward

On a clean glass plate a drop of water spreads to form a thin layer whereas a drop of mercury remains almost spherical because:

The absorption of ink by blotting paper involves:

On a cold day when a room temperature is 15oC, the metallic cap of a pen becomes much colder than its plastic body, though both are at the same temperature of 15oC, because

Moment of inertia is:

Siphon will fail to work if:

What is newton first law of motion ?

Ohmic conductor among the following is _____.

If two bodies of different masses, initially at rest, are acted upon by the same force for the same time, then the both bodies acquire the same:

Rectifiers are used to convert:

Light travels at the fastest speed in:

One thousand microns is equal to

Which of the following terms is not used in the field of physics?

RADAR is used for:

It takes much longer to cook food in the hills than in the plains, because

One watt-hour is equivalent to

Large transformers, when used for some time, become very hot and are cooled by circulating oil. The heating of the transformer is due to:

Mirage is due to:

ML2T-2 is the dimensional formula for

Metals are good conductors of electricity because:

Force of attraction between the molecules of same substance is called

What is escape velocity ?

What is the maximum value of deforming force upto which a material shows elastic property and above which the material loses it ?

What is the relation between wavelength, frequency and velocity ?

Sudden fall in barometer is indication of

The maximum velocity upto which fluid motion is streamline is called

Which law states, "The radiant energy emitted by a black body per unit area per unit time is directly proportional to the fourth power of its absolute temperature".

Lognitudinal waves and Transverse waves are types of ?

Force of attraction between the molecules of different substances is called

When a body is immersed partly or wholly in a liquid, there is an apparent loss in weight of the body which is equal to the weight of liquid displaced by the body.

What is Hooke's Law ?

Choke is used to_______.

Electromagnetic spectrum consists of the following radiations I. X-rays II. Gamma rays III. Ultraviolet radiations .Choose the correct order of code in the increasing order of their frequency:

What will be the effect on gravitational acceleration if the earth suddenly stops its rotation?

Ball pen works on the principle of ______.

Orbital speed of a satellite is dependent of its mass.

Energy posses by a body in motion is called

A telescope and microscope differ in that______.

What is newton third law of motion ?

The I.C Chip used in a computer is made up of_______.

In which among the following is alternating current not used?

Which of the following is an electromagnetic wave ?

When a body falls in viscous medium, its velocity first increases and finally becomes constant. The constant velocity is called

Which law states, "The rate of loss of heat by a body is directly proportional to the difference in temperature between the body and the surroundings."

Parsec is a unit of_______.

Lightning conductors are made up of _________.

All planets move around the sun in elliptical orbits, with the sun being at rest at one focus of the orbit.