JEE Main 2020 — Structure Of Atom Question with Solution
From: JEE Main 2020 (Online) 5th September Morning Slot
Question
The difference between the radii of 3rd and 4th
orbits of Li2+ is R1 . The difference between the
radii of 3rd and 4th orbits of He+ is R2 .
Ratio R1 : R2 is :
orbits of Li2+ is R1 . The difference between the
radii of 3rd and 4th orbits of He+ is R2 .
Ratio R1 : R2 is :
Choose an option
Show full solutionCorrect option: C
Correct answer
C2 : 3
Step-by-step explanation
Rn = a0
= =
= =
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This is a previous-year question from JEE Main 2020, 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.