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A neutron is moving with a velocity u.It collides head on and elastically with an atom

A neutron is moving with a velocity u.It collides head on and elastically with an atom of mass number A. If the initial kinetic energy of the neutron be E. How much kinetic energy will be retained by neutron after collision?

Options

(a) {A-1/A+1}² E
(b) {A+1/A-1}² E
(c) {A-1/A}² E
(d) {A+1/A}² E

Correct Answer:

{A-1/A+1}² E

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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