JEE Main 2021 · 25 February · evening · Numerical answer · +4 / −0

Among the following, number of metal/s which can be used as electrodes in the photoelectric cell is _________. (Integer answer)
(A) Li
(B) Na
(C) Rb
(D) Cs

Answer and solution

Answer 1

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Study Hydrogen & s-Block Elements

Asked about 130 times in JEE Main since 2020. This question is from 2021.