Question Bank MCQ • 1 Mark Section 4: Quantum Mechanics Angular momentum

QB_PH_105: Angular momentum

Question Statement

The eigenvalue of $J^2$ for $j = 3/2$ in units of $\hbar^2$ is:
(A) 15/4
(B) 3/2
(C) 9/4
(D) 7/2
Correct Answer
A
Verified Key

Step-by-Step KaTeX Derivation & Detailed Explanation

### Solution: $j(j + 1) = (3/2)(5/2) = 15/4$.
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