An 
‐particle with a kinetic energy of 2.1 
makes a head on collision with a hydrogen atom moving towards it with a kinetic energy of 8.4 
. The collision
Text Solution
Verified by ExpertsThe correct answer is:
C
For completely inelastic collision both come to rest after collision and net energy of 
is lost. But electron in ground state of 
‐atom can accept only an energy of 10.2 
. Hence the collision may be inelastic but it can never be perfectly inelastic.
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