Q242. The variation of displacement d with time t in the case of a particle falling freely under gravity from rest is correctly shown in graph:

Which of the following distance-time graph (x-t) represents one-dimensional uniform motion? (a) (b) (c) (d)

For which one of the following is capillarity not the reason?

A ball is dropped from the top of a high building with a constant acceleration of 9.8 m/s2. What will be its velocity after 2 seconds?

The tendency of a liquid drop to contract and occupy minimum area is due to:

Which one of the following is a vector quantity?

A girl is swinging on a swing in a sitting position. When the girl stands up, the period of swing will:

A boy standing at the point O in the given diagram throws a ball three times with the same force, but projecting it along different inclinations from

The working principle of a washing machine is:

A smooth plane inclined at an angle Q with the horizontal as shown in the given figure. A body starts from rest and slides down on the inclined surfac