Physics · 2024
JEE Main · 31 January 2024, Shift 2 · Q46
In a photoelectric effect experiment a light of frequency 1.5 times the threshold frequency is made to fall on the surface of photosensitive…
In a photoelectric effect experiment a light of frequency $\displaystyle 1.5$ times the threshold frequency is made to fall on the surface of photosensitive material. Now if the frequency is halved and intensity is doubled, the number of photo electrons emitted will be:
Official answer
From NTA’s final answer key for this paper.
(1)
Zero
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JEE Main 2024 Physics question, with the answer from NTA’s final answer key. Where our answers come from.