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The distance of cloest apporach of an al...

The distance of cloest apporach of an `alpha` paticle fired towards a nucleus with momentum p, is r. if the momentum of the `alpha` paricle is 2p, thenn he corresponding distance of closest approach is

A

4r

B

2r

C

`r/2`

D

`r/4`

Text Solution

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The correct Answer is:
D
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