JEE Main 2020ChemistryStructure of AtomEasyMCQ

JEE Main 2020 — Structure of Atom Question with Solution

JEE Main 2020 (02 Sep Shift 2)

Question

The number of subshells associated with n=4 and  m=-2 quantum numbers is:

Choose an option

Show full solutionCorrect option: B
Correct answer
B2

Step-by-step explanation

For n=4 possible values of ℓ=0,1,2,3 because values ℓ lie between 0 to n-1 

We have to check values of m which lie between -ℓ to+ℓ.

ℓ=2 & ℓ=3 can have m=-2 So possible subshells are 2.

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About this question

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.