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A neutron moving with a certain kinetic ...

A neutron moving with a certain kinetic energy collidies head on with an atom of mass number A. The fractional kinetic energy retained by it is

A

`(A-1)/(A+1)`

B

`((A+1)/(A-1))^(2)`

C

`(A+1)/(A-1)`

D

`((A-1)/(A+1))^(2)`

Text Solution

Verified by Experts

The correct Answer is:
D
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