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No.of identical photons incident on a pe...

No.of identical photons incident on a perfectly black body of mass m kept at rest on smooth horizontal surface. Then the acceleration of the body if n no. of photons incident per sec. is (Assume wavelength of photon to be `lambda`):

A

`(nh)/(2pilambdam)`

B

`(nh)/(lambdam)`

C

`(2pinh)/(lambdam)`

D

`(lambdam)/(nh)`

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