Physics · 2022
JEE Main · 28 July 2022, Shift 2 · Q17
Two streams of photons, possessing energies equal to five and ten times the work function of metal are incident on the metal surface successively.…
Two streams of photons, possessing energies equal to five and ten times the work function of metal are incident on the metal surface successively. The ratio of maximum velocities of the photoelectron emitted, in the two cases respectively, will be
Official answer
(3)
$\displaystyle 2$ : $\displaystyle 3$
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.