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I vs V - Varying Frequency

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Question

Show the variation of photocurrent with collector plate potential for different frequencies but same intensity of incident radiation.

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Solution

Here, the intensity of incident radiation kept same

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Q. For a given photosensitive material and with a source of constant, frequency of incident radiation, how does the photocurrent vary with intensity of incident light ?

Q. Draw a plot showing the variation of photoelectric current with collector plate potential foe two different frequencies,

v_{1} > v_{2}

, of incident radiation having the same intensity. In which case will the stopping potential be higher ? Justify your answer.

Q. What is stopping voltage (or cut voltage)? Plot a graph of variation of photoelectric current with collector plate potential for two incident radiations of same frequency and different intensities.

Q. In a plot of photo electric current v/s anode potential how does
(a) the saturation current varies with anode potential for incident radiations of different frequencies but same intensity.
(b) the stopping potential varies for different intensities but same frequency of incident radiation
(c) photoelectric current varies for different intensities but same frequency of incident radiation?
justify your answer in each case.

Q. The variation of photo-current with collector potential for different frequencies of incident radiation

ν_{1}, ν_{2}

ν_{3}

is as shown in the graph. Then:

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