Teaching MPPSC Assistant Professor Mock Test Series 2025 Physical Sciences Quantum Mechanics

यदि \(\vec{L} \) कक्षक कोणीय संवेग है और \(\vec{S} \) चक्रण कोणीय संवेग है, तो \(\vec{L} \cdot \vec{S} \) किसके साथ क्रमविनिमेय (कम्यूट) नहीं होता है?

1
\(S_z \)
2
\(L^2 \)
3
\(S^2 \)
4
\((\vec{L} + \vec{S})^2 \)
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