JEE Main 2021PhysicsAtomic PhysicsEasyMCQ

JEE Main 2021 — Atomic Physics Question with Solution

JEE Main 2021 (17 Mar Shift 1)

Question

If an electron is moving in the nth  orbit of the hydrogen atom, then its velocity (vn) for the nth  orbit is given as:

Choose an option

Show full solutionCorrect option: B
Correct answer
Bvn∝1n

Step-by-step explanation

We know velocity of electron in nth  shell of hydrogen atom is given by

v=2πkZe2nh

∴v∝1n

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About this question

This is a previous-year question from JEE Main 2021, covering the Atomic Physics chapter of Physics. 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.