JEE Main 2022 · PhysicsMultiple choiceSingle correctMediumMulti-step

JEE Main 30 June 2022, Shift 1, Physics Q50

Question 50 of 90 in this shift, Physics question 20 of 30, Section A.

A hydrogen atom in ground state absorbs 12.09 eV of energy. The orbital angular momentum of the electron is increased by :

(1) $1.05\times10^{-34}$ Js
(2) $2.11\times10^{-34}$ JsOfficial answer
(3) $3.16\times10^{-34}$ Js
(4) $4.22\times10^{-34}$ Js

Official answer

Option 2

NTA final key.

Chapter: Atoms
Topic: Bohr's Atomic Model
Idea tested: Angular Momentum Quantization

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Question text from the official JEE Main paper published by NTA; answer from the final answer key. Chapter, topic and idea tags, difficulty and skill are Lumi’s. Lumi analyses 108 of the 174 JEE Main shifts held from 2017 to 2026.