Physics Questions

For which one of the following, 'Diodes' are generally used for?

If the velocity of a body is halved its kinetic energy ________________.

Why the Earth is having its own atmosphere ?

The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ?

Ozone protects biosphere from ___________

______ is the perpendicular distance between point of application of force and axis of rotation.

The SI unit of acceleration is __________.

Instrument for measuring blueness of the sky or ocean is called ___________.