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

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

Grade:12

1 Answers

Sunil Kumar FP
askIITians Faculty 183 Points
10 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 p = \hbar k
transfer of momentum to the refarcted wave by the incident wave is called momentum transfer.
often momentum transfer is given by Q = k_f - k_i
it is related to the wavelength k = 2\pi / \lambda.

thanks and regards
sunil kr
askIItian faculty

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