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alwaysstuck
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In an electron system (spin =1/2, l = 1) the total angular momentum will be J=S+L
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Total angular momentum J refers to the combination of intrinsic (spin) and orbital angular momentum of a particle or system.
Total angular momentum J is calculated by adding the spin angular momentum and orbital angular momentum vectors using vector addition.
Total angular momentum J is an important property in quantum mechanics as it is a conserved quantity, meaning it remains constant in a closed system. It is also used to determine the energy levels and interactions of particles.
The quantum number l is related to the orbital angular momentum and is denoted by the letters s, p, d, f, etc. Each letter corresponds to a specific value of l (0, 1, 2, 3, etc.). The total angular momentum J is related to l by the equation J = l + s, where s is the spin quantum number.
No, total angular momentum J is a conserved quantity and cannot change unless an external torque or force is applied to the system. In quantum mechanics, total angular momentum J is a fundamental property that remains constant throughout a particle's lifetime.