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Gamma photon — UPSC CSE 1991 Physics PYQ
Buy PYQ Solution Manual →A nuclear transition in a nucleus of mass 24 a.m.u. emits a gamma photon of energy E_1 if the transition occurs when the nucleus was bound in a crystal, and of energy E_1 if the transition occurs when the nucleus were free. Deduce the difference [E_1 - E_2] in keV units if E is in the range 7 meV.
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