Physics Questions

The functioning of a very old model pendulum clock was completely

When a bullet is fired from a gun, the gun moves in the opposite direction. This illustrates Newton's

___ is a unit of length, roughly the distance from Earth to the Sun.

The quantum theory of light was given by

The instrument used for measuring air pressure is called .....

What will be the value of the kinetic energy (Ek) of a moving body with mass m, if its speed is doubled from v to 2v?

An earthquake of magnitude _________________ on Richter scale has thousand times more destructive energy than an earthquake of magnitude 4.

In _____________ motion of a body its velocity varies with time.