MEDIUMMCQ SINGLEJEE Advanced ChemistryInorganic Chemistrys- Block 3.0General
Which of the following element(s) is used as useful electrode(s) in photoelectric cells?
A.Sodium
B.Cesium
C.Potassium
D.Both (b) and (c)✓ Correct
Explanation
When Cs, K are irradiated with light energy absorbed may be sufficient to loose an electron. This property makes Cs and K useful as electrodes in photoelectric cell.
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