For a given value (n) of principle quantum number, the number of possible electronic states are

Electronics and Communication Engineering (ECE) : Materials and Components - Quiz(MCQ)

nÂ²

nÂ³

âˆšn

Correct Answer : Option (B) : nÂ²

Explanation : The total number of states corresponding to a given value of n is equal to

(2l + 1) = 1 + 3 + .... + [2(n-1) + 1] = n².

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