Questions
The voltage applied to an X-ray tube is 18KV. The maximum mass of photon emitted by the X-ray tube will be:
a
2 X 10–13kg
b
3.2 X 10–36kg
c
3.2 X 10–32kg
d
9.1 X 10–31kg
detailed solution
Correct option is C
Energy of photon is given by mc2 now the maximum energy of photon is equal to the maximum energy of electron = eV.mc2ev⇒m=eVc2=1.6 × 10−19 × 18 × 103(3 × 108)2=3.2 x 10−32kgTalk to our academic expert!
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