Physics Questions and Answers

In the clinical thermometer, the function of the kink is to i. Prevent the back flow of mercury after use. ii. Ensure the back flow of mercury after use. iii. Maintain the thermometric property of mercury. iv. Allow the temperature attained to be read.

The mouth piece of a telephone handset converts

Resonance occurs when one vibrating object causes a second object to vibrate at its own natural

When a body is thrown vertically upwards, its velocity at the maximum height is

A plank is placed along the path on which a wheel barrow containing sand is pushed at a construction site to prevent it from sticking as illustrated in the diagram given. The large area of the plank prevents the wheel barrow from getting stuck by