JEE Main 2020 — S Block Elements Question with Solution
From: JEE Main 2020 (Online) 2nd September Morning Slot
Question
The metal mainly used in devising
photoelectric cells is :
Choose an option
Show full solutionCorrect option: D
Correct answer
DCs
Step-by-step explanation
Cs has least work function value because of
less electronegativity thats why it is used in
photoelectric cells.
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This is a previous-year question from JEE Main 2020, covering the S Block Elements chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.