Physics Questions

Which object converts electricity to light?

Which of the following instrument is used to measure Soil Water Tension?

Two particles with charges q1 and q2 are kept at a certain distance to exert force F on each other. If the distance is reduced to one-fifth, then the force between them is

Nautical miles to km formula

The centre of the reflecting surface of a spherical mirror is a point called the ___.

A ball is dropped from a height of 10 m. It strikes the ground and rebounds up to a height of 2. m. During the collision, the per cent loss in the kinetic energy is

For what is Radiocarbon dating technique used?

A ball of 0.1 kg is dropped from rest. When it falls through a distance of 2 m, the work done by the force of gravity is