Chemistry · 2022
JEE Main · 25 June 2022, Shift 2 · Q61
The minimum energy that must be possessed by photons in order to produce the photoelectric effect with platinum metal is: [Given: The threshold…
The minimum energy that must be possessed by photons in order to produce the photoelectric effect with platinum metal is:
[Given: The threshold frequency of platinum is $\displaystyle 1.3 \times 10^{15} \mathrm{~s}^{-1}$ and $\displaystyle \mathrm{h}=6.6 \times 10^{-34} \mathrm{~J} \mathrm{~s}$.]
Official answer
(3)
$\displaystyle 8.58 \times 10^{-19} \mathrm{~J}$
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JEE Main 2022 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.