Physics · 2022
NEET 2022 · 4 September · Code W6 · Q19
The light rays having photons of energy 4.2 eV are falling on a metal surface having a work function of 2.2 eV. The stopping potential of the surface…
The light rays having photons of energy $\displaystyle 4.2$ eV are falling on a metal surface having a work function of $\displaystyle 2.2$ eV. The stopping potential of the surface is
Official answer
(3)
$\displaystyle 2$ V
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NEET (UG) 2022 Physics question, with the answer from NTA’s final answer key. Where our answers come from.