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A nucleus of uranium decays at rest into...

A nucleus of uranium decays at rest into nuclei of thorium and helium. Then :

A

the helium nucleus has less momentum than the thorium nucleus

B

the helium nucleus has more momentum than the thorium nucleus

C

the helium nucleus has less kinetic energy than the thorium nucleus

D

the helium nucleus has more kinetic energy than the thorium nucleus

Text Solution

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The correct Answer is:
D
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