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How many alpha and beta-particles are em...

How many `alpha` and `beta`-particles are emitted in the transformation `""_(92)^(238)U rarr ""_(92)^(234)U`

A

`2alpha and 2beta`

B

`1alpha and 2beta`

C

`1 alpha` only

D

`2beta and 2alpha`

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The correct Answer is:
B
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