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Sahay Sir > Question Answers > Cengage NEET by C.P Singh > Part 1 > Chapter 10 - COM, Momentum and Collision > A neutron collides head-on and elasticity with an atom of mass number A, which is initially at rest. The fraction of kinetic energy retained by neutron is

A neutron collides head-on and elasticity with an atom of mass number A, which is initially at rest. The fraction of kinetic energy retained by neutron is

A neutron collides head-on and elasticity with an atom of mass number A which is initially at rest. The fraction of kinetic energy retained by neutron is