Explore topic-wise MCQs in Physics.

One astronomical unit is the average distance between

A boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks overboard. The level of water in the pool will

Temperature can be expressed as derived quantity in terms of any of the following

If a band is played on the moon the sound will

Ball bearings are used in cycles, scooters etc to

Which of the following physical quantities do not have same dimensions

What is the full form of "RADAR" ?

The amount of water vapor in the air is

The speed of light will be minimum while passing through

A disk and a sphere of same radius but different masses roll on two inclined planes of the same altitude and length. Which one of the two objects gets to the bottom of the plane first ?

Rain drops acquire spherical shape due to

If a barometric reading is falling, this usually indicates what

Which of the following is not the unit of time

A moving electric charge produces__________.

Pick out the only scalar quantity

A man jumping out of a moving train is thrown

Which among the following are primary colors?

It is more difficult to walk on ice than on a concrete road because

The working of the quartz crystal in the watch is based on the

A bucket of water is hung from a spring balance. A piece of iron is suspended in the water without touching the sides or touching the bottom of the bucket. The reading of the spring balance

Which is best used as a sound absorbing material in partition walls ?

Ultrasonic waves are used for stirring liquid solutions because they

Formation of shadows can be explained by

When a bottle of perfume is opened in one corner of a room the smell spreads soon throughout the room. This is an example of

The core of an electromagnet is made of soft iron because soft iron has

Pieces of camphor placed on water move about rapidly. This is because of

Air pressure is usually highest when the air is

The basic reason for the extraordinary sparkle of suitably cut diamond is that

What is the SI unit of pressure

Skating on ice is possible because

The base of an electric iron is brightly polished mainly

Which of the following is not a vector quantity

Two electric bulbs marked 25W ? 220V and 100W ? 220V are connected in series to a 440Vsupply. Which of the bulbs will fuse?

If a sound travels from air to water, the quantity that remain unchanged is

Which among the following quantities is scalar?

The weight of a body is______.

What is newton second law of motion ?

Only one part of moon can be seen from earth because____.

The form of matter are________.

The working principle of a washing machine is

The minimum number of Non zero non collinear vectors required to produce a zero vector is

The most suitable unit for expressing nuclear radius is

The information of brilliant colors in a thin soap film is a consequence of the phenomena of

When body is accelerated

A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will

Which tube used to produce X-ray?

Rainbow is produced when sunlight fall on drops of rain. Which of the following physical phenomena are responsible for this? I.Diffusion II.Refraction III.Internal reflection

One nanometer is equal to

Masses of stars and galaxies are usually expressed in terms of

If velocity of all fluid particles is same all the time then it is called