Oscillatory motion is a type of motion which is

Laser beam can be used for

In which process, the photon emits to produce laser beam

LASER is the potential energy source used to inducing

Laser can be used in the field of

The energy of characteristic X-rays depends upon the

Restoring force is the

In Hook’s law, K is the spring constant depending on the

Sonar is the name of technique or detecting the presence of objects under water by

The military applications of Doppler’s effect are