JEE Main 2026ChemistryStructure of AtomEasyNumerical

JEE Main 2026Structure of Atom Question with Solution

JEE Main 2026 (08 April Shift 2)

Question

Consider two radiations of wavelengths
1. Å
2. Å
The ratio of the energies of these two radiations is ________ (Nearest integer).

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Show full solutionCorrect answer: 3
Correct answer
3

Step-by-step explanation

The energy of a photon is given by the relation:



For the two radiations, the energies are and .

The ratio of their energies is:



Substituting the given values and :



Answer:

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About this question

This is a previous-year question from JEE Main 2026, 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.