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Question
If photons of ultraviolet light of energy 12 eV are incident on a metal surface of work function of 4 eV, then the stopping potential (in eV) will be :
Options
5
6
7
8
MCQ
Solution
8
Explanation:
eVs = hv - W
= 12eV - 4eV
eVs = 8e V or Vs = 8V
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Experimental Study of Photoelectric Effect
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