Question: Q. 8. In the study of a photoelectric effect the graph between the stopping potential
(i) Which one of the two metals has higher threshold frequency?
(ii) Determine the work function of the metal which has greater value.
(iii) Find the maximum kinetic energy of electron emitted by light of frequency
U] [Delhi II 2017]
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Solution:
Ans. (i)
(ii) Work function,
[CBSE Marking Scheme, 2017]
Detailed Answer :
(ii) Work function of