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A nuclear reaction given by .(Z)X^(A) ...

A nuclear reaction given by
`._(Z)X^(A) rarr ._(Z+1)Y^(A)+ ._(-1)e^(0)+bar(v)` represents

A

`beta`-decay

B

`gamma`-decay

C

Fussion

D

Fission

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The correct Answer is:
A
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