A) temperature of the source
B) material of the source
C) surface area of the source
D) all of the above
Correct Answer: A
Solution :
In hydrogen atom\[{{E}_{2}}-{{E}_{1}}=10.2\,eV\] Since, \[5eV<10.2eV\] The electron excite the hydrogen atom. The collision must be therefore elastic.
You need to login to perform this action.
You will be redirected in
3 sec
