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Nuclei X decay into nuclei Y by emitting...

Nuclei `X` decay into nuclei `Y` by emitting `alpha`-aprticles. Energies of `alpha`-particle are found to be only `1 MeV` & `1.4 MeV`. Disregarding the recoil of nuclei `Y`. The energy of `gamma` photon emitted will be

A

0.8 MeV

B

1.4 MeV

C

1 MeV

D

0.4 MeV

Text Solution

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The correct Answer is:
D
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