In a plot of photoelectric current versus anode potential, how does
(i) the saturation current vary with anode potential for incident radiations of different frequencies but same intensity?
(ii) the stopping potential vary for incident radiations of different intensities but the same frequency?
(iii) Photoelectric current vary of different intensities but same frequency of incident radiation? justify your answer is each case.

Explanation

To solve the question regarding the behavior of photoelectric current versus anode potential under different conditions, we can break it down into three parts as follows:

### (i) Variation of Saturation Current with Anode Potential for Different Frequencies but Same Intensity

**Step 1: Understand Saturation Current**
- The saturation current (I_s) is the maximum current that can be achieved in the photoelectric effect when all emitted photoelectrons reach the anode.

**Step 2: Consider the Effect of Anode Potential**
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