Dual Nature Of Radiation And Matter Ques 40
40. The figure shows a plot of photo current versus anode potential for a photo sensitive surface for three different radiations. Which one of the following is a correct statement?
[2009]
(a) Curves (1) and (2) represent incident radiations of same frequency but of different intensities.
(b) Curves (2) and (3) represent incident radiations of different frequencies and different intensities.
(c) Curves (2) and (3) represent incident radiations of same frequency with same intensity.
(d) Curves (1) and (2) represent incident radiations of different frequencies and different intensities.
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Answer:
Correct Answer: 40.(a)
Solution:
- (a) Retarding potential depends on the frequency of incident radiation but is independent of intensity.
BETA
