JEE Main 2022 — Structure Of Atom Question with Solution
From: JEE Main 2022 (Online) 25th June Evening Shift
Question
The minimum energy that must be possessed by photons in order to produce the photoelectric effect with platinum metal is :
[Given : The threshold frequency of platinum is 1.3 1015 s1 and h = 6.6 1034 J s.]
Choose an option
Show full solutionCorrect option: C
Step-by-step explanation
The minimum energy possessed by photons will be equal to the work function of the metal.
Emin = h0 J
= 6.6 1034 1.3 1015
= 8.58 1019 J
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This is a previous-year question from JEE Main 2022, covering the Structure Of Atom 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.