The slope of graph showing the variation of stopping potential with the frequency of incident radiation gives the value of
A) h/e where, h is Plancks constant and e electronic charge
B) h i.e., Plancks constant
C) e i.e., electronic charge
D) None of the above
Correct Answer: A
Solution :
The slope of graph showing the variation of stopping potential with the frequency of incident radiation gives the value of h/e, where h is Plancks constant and e is electronic charge whereas intercept of the lines gives the ratio of work function W and depend electronic charge e.i.e., W/e.
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