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A radioactive nucleus of mass number A, ...

A radioactive nucleus of mass number A, initially at rest, emits an `alpha-` particle with a speed v. What will be the recoil speed of the daughter nucleus ?

A

`(2v)/((A-4))`

B

`(2v)/((A+4))`

C

`(4v)/((A-4))`

D

`(4v)/((A+4))`

Text Solution

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The correct Answer is:
C
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