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why does a free electron not absorb all the energy of a photon which collides with it?


why does a free electron not absorb all the energy  of a photon which collides with it?


Grade:upto college level

1 Answers

Vikas TU
14149 Points
7 years ago
If we sum the total energy of photon given by einstein,
it is:
E = hc/k + mc^2
Thus after absorbing even total photon m would be zero .i.e m = 0
but still hc/k get remained.
thus that would break the law of conservation energy.

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