A neutron with velocity 
strikes a stationary deuterium atom, its kinetic energy changes by a factor of
A
B
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
D
Neutron velocity 
, mass 
Deuteron contains 1 neutron and 1 proton, mass 
In elastic collision both momentum and K.E. are conserved 
By conservation of kinetic energy
By solving (i) and (ii) we get
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