A body falls freely under gravity (g = 9.8ms-2) from a height of 40m on to the top of a platform 0.8m above the ground. Its velocity on reaching the platfor...

The principle of transmissibility of pressure in a fluid at rest in all directions is known as

The latent heat of fusion of a substance is the heat required to

The following types of waves are transverse EXCEPT

Which of the following does NOT describe the image formed by a plane mirror?

If a source of sound is moving, a stationary listener will hear a sound of different frequency. This is called

When fixed mass of an ideal gas expands at constant temperature, which property of the gas molecule increases?

The ice and steam points of mercury-in-glass thermometer of centigrade scale and of uniform bore correspond respectively to 3cm and 19cm lengths of the mercu...

A vapour is said to be saturated when