# is mass necessary for momentum of any body?if it is,how momentum transfer take place in a wave?

Sunil Kumar FP
8 years ago
yes mass is necessary for the momentum of any body.because in the expression of momentum=m*v
momentum of a wave is given by the expression
transfer of momentum to the refarcted wave by the incident wave is called momentum transfer.
often momentum transfer is given by
it is related to the wavelength$k = 2\pi / \lambda$.

thanks and regards
sunil kr