Question: Q. 13. Plot agraph showing the variation of photoelectric current with intensity of light. The work function for the following metals is given :
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Solution:
Ans. (i)
(ii) Energy of a photon,
Since
There will be no effect of bringing source closer in the case of Mo. In case of Na, photo current will increase.
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Detailed Answer :
(ii) Try yourself similar to Q. 7, SATQ-II