Physics · Atomic Physics

JEE Main 2024 — 1 February, Shift 1 — Question 45

The minimum energy required by a hydrogen atom in ground state to emit radiation in Balmer series is nearly :

Option A:
1.5 eV
Option B:
13.6 eV
Option C:
1.9 eV
Option D:
12.1 eV
Correct

Answer: D

Step-by-step solution

Transition from $\mathrm{n}=1$ to $\mathrm{n}=3$

\Delta \mathrm{E}=12.1 \mathrm{eV}

Answer key and solution verified before publishing.

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Exam: JEE Main 2024
Paper: 1 February, Shift 1
Subject: Physics
Chapter: Atomic Physics
Topic: Hydrogen Spectrum

The de Broglie wavelengths of a proton and an alpha particle are lambda and 2 lambda respectively. The ratio of the velocities of proton…

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