JEE Main 202125 Feb, Evening shiftChemistryMediumAtomic Structure113× since 2002
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
JEE Main 2021 · 25 Feb, Evening shift · Q20