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Engineering Physics · Q43

Atomic and Molecular Physics

Engineering and GATE · Engineering Physics · question 43

Q43

For a multi-electron atom l , L and S specify the one electron orbital angular momentum, total orbital angular momentum and total spin angular momentum respectively. The selection rules for electric dipole transition between the two electronic energy levels, specified by l , L and S are

For a multi-electron atom , L and S specify the one electron orbital angular momentum, total orbital angular momentum and total spin angular momentum respectively. The selection rules for electric dipole transition between the two electronic energy levels, specified by , L and S are
A.
ΔL = 0, ±1; ΔS = 0; Δ = 0, ±1
B.
ΔL = 0, ±1; ΔS = 0; Δ = ±1
Answer
C.
ΔL = 0, ±1; ΔS = ±1; Δ = 0, ±1
D.
ΔL = 0, ±1; ΔS = ±1; Δ = ±1

Answer: Option B

Solution

Answer: Option B
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