Physics · 2022
NEET 2022 · 4 September · Code W6 · Q23
The threshold frequency of a photelectric metal is ν_0. If light of frequency 4 ν_0 is incident on this metal, then the maximum kinetic energy of…
The threshold frequency of a photelectric metal is $\displaystyle \nu_0$. If light of frequency $\displaystyle 4 \nu_0$ is incident on this metal, then the maximum kinetic energy of emitted electrons will be :
Official answer
(4)
$\displaystyle 3 h \nu_0$
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NEET (UG) 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.