Physics · 2022
JEE Main · 24 June 2022, Shift 2 · Q48
The light of two different frequencies whose photons have energies 3.8 e V and 1.4 e V respectively, illuminate a metallic surface whose work…
The light of two different frequencies whose photons have energies $\displaystyle 3.8 e V$ and $\displaystyle 1.4 ~ e V$ respectively, illuminate a metallic surface whose work function is $\displaystyle 0.6 e V$ successively. The ratio of maximum speeds of emitted electrons for the two frequencies respectivly will be :
Official answer
(2)
$\displaystyle 2: 1$
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JEE Main 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.