JEE Main 2022 — Structure Of Atom Question with Solution
From: JEE Main 2022 (Online) 29th July Morning Shift
Question
The minimum uncertainty in the speed of an electron in an one dimensional region of length (Where Bohr radius ) is _________ .
(Given : Mass of electron = 9.1 1031 kg, Planck's constant h = 6.63 1034 Js)
Enter your answer
Show full solutionCorrect answer: 548
Correct answer
548
Step-by-step explanation
Heisenberg's uncertainty principle
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the Structure Of Atom chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
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.