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a photon of energy 10.2 eV collides inelasticallywith a stationary hydrogen atom(in ground state). after few micro second another photon of energy 15.0eV collides with same hydrogen atom .which of the following can be detected by a suitable detector?ans -one photon of 10.2eV and an electron of energy 1.4 eV.

Deepak Patra , 11 Years ago
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