A) must be elastic
B) may be partially elastic
C) may be completely elastic
D) may be completely inelastic
Correct Answer: A
Solution :
In hydrogen atom\[{{E}_{2}}-{{E}_{1}}=10.2\,\,eV\]. Since, energy difference is\[10.2\,\,eV\]. Which is greater than kinetic energy \[5\,\,eV\] electron excites the hydrogen atom, hence collision must be elastic.
You need to login to perform this action.
You will be redirected in
3 sec
