Physics · 2023
JEE Main · 31 January 2023, Shift 2 · Q4
If the two metals A and B are exposed to radiation of wavelength 350 nm. The work functions of metals A and B are 4.8 eV and 2.2 eV. Then choose the…
If the two metals A and B are exposed to radiation of wavelength $\displaystyle 350$ nm. The work functions of metals A and B are $\displaystyle 4.8$ eV and $\displaystyle 2.2$ eV. Then choose the correct option.
Official answer
From NTA’s final answer key for this paper.
(2)
Metal A will not emit photo-electrons
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JEE Main 2023 Physics question, with the answer from NTA’s final answer key. Where our answers come from.