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Which of the following commutation relations holds for the angular momentum operators in quantum mechanics?OPTIONS [Lx, Ly] = iħLz [Lx, Ly] = 0 [Lx, Ly] = -iħLz [Lx, Ly] = iħ

Question

Which of the following commutation relations holds for the angular momentum operators in quantum mechanics?OPTIONS [Lx, Ly] = iħLz [Lx, Ly] = 0 [Lx, Ly] = -iħLz [Lx, Ly] = iħ

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Solution

The correct commutation relation for the angular momentum operators in quantum mechanics is [Lx, Ly] = iħLz. This is a fundamental result in quantum mechanics that arises from the properties of the cross product and the definition of angular momentum.

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