JEE Main 2021 — Structure Of Atom Question with Solution
From: JEE Main 2021 (Online) 27th August Morning Shift
Question
The kinetic energy of an electron in the second Bohr orbit of a hydrogen atom is equal to . The value of 10x is ___________. (a0 is radius of Bohr's orbit) (Nearest integer) [Given : = 3.14]
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Show full solutionCorrect answer: 3155
Correct answer
3155
Step-by-step explanation
x = 315.507
10x = 3155 (nearest integer)
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This is a previous-year question from JEE Main 2021, 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.