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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

Verified by Experts

The correct Answer is:
C
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