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Question
The graph shows the variation of photocurrent for a photosensitive metal
- What does X and A on the horizontal axis represent?
- Draw this graph for three different values of frequencies of incident radiation ʋ1, ʋ2 and ʋ3 (ʋ3 > ʋ2 > ʋ1) for the same intensity.
- Draw this graph for three different values of intensities of incident radiation I1, I2 and I3 (I3 > I2 > I1) having the same frequency.
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Solution
a. A - cut off or stopping potential
X - anode potential
b. 
Variation of photoelectric current with collector plate potential for different frequencies of incident radiation.
c.
Variation of photocurrent with collector plate potential for different intensity of incident radiation.
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