JEE Main 2022 · ChemistryNumerical answerNumerical valueEasyCalculation

JEE Main 25 July 2022, Shift 2, Chemistry Q83

Question 83 of 90 in this shift, Chemistry question 23 of 30, Section B.

When the excited electron of a H atom from n = 5 drops to the ground state, the maximum number of emission lines observed are ________.

Official answer

NTA final key.

Chapter: Structure of Atom
Topic: Bohr's Atomic Theory
Idea tested: Number of Spectral Lines in Transitions

Same idea in other shifts

Asked 2× in all

30 Jan 2024, Shift 2 · Q81Number of spectral lines obtained in $\mathrm{He^+}$ spectra, when an electron makes transition from fifth excited state to first excited…EasyNumerical value

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.