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The correct relation for impact paramete...

The correct relation for impact parameter, where symbols have their usual meaning is

A

`(Ze^(2)cot theta//2)/((4pi in_(0))E)`

B

`(2Ze^(2)cot theta)/(4pi in_(0).E)`

C

`(Z^(2)ecot theta//2)/(4pi in_(0)E)`

D

`((4pi in_(0))E)/(Ze^(2)cot theta//2)`

Text Solution

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The correct Answer is:
A
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