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What is stopping potential, and how does it depend on the intensity and the frequency of the incident light?
Original Khojo Papers practice question — not from a past board paper.
Answer
The stopping potential is the reverse potential just sufficient to stop the most energetic photoelectron, so eV0 equals the maximum kinetic energy. It does not depend on the intensity of the light at all, but increases linearly with the frequency above the threshold.
No citable source has been recorded for this record. Treat it as practice material, not as fact.
Explanation
The intensity affects only the number of photoelectrons, not their energy.
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