Physics · 2025
JEE Main · 29 January 2025, Shift 2 · Q44
In an experiment with photoelectric effect, the stopping potential,
In an experiment with photoelectric effect, the stopping potential,
Official answer
From NTA’s final answer key for this paper.
(2)
is $\displaystyle \left(\frac{1}{\mathrm{e}}\right)$ times the maximum kinetic energy of the emitted photoelectrons
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JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.