JEE PYQ: S Block Elements Question 13
Question 13 - 2021 (25 Feb Shift 2)
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
Show Answer
Answer: 1
Solution
Cs is used in photoelectric cells due to its very low ionization potential. Only 1 metal.