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In: Physics

1: Under high resolution, the spectral line of Sodium (Z = 11) around 589 nm resolves...

1: Under high resolution, the spectral line of Sodium (Z = 11) around 589 nm resolves into two lines at 589.5 nm and 588.9 nm due to spin-orbital coupling splitting the 1p shell into 2P3/2 and 2P1/2.

Part A: Calculate the difference in energy between the 2P3/2 and 2P1/2 states.

Part B: From this energy difference, estimate the magnitude of the internal magnetic field.

Part C: If a magnetic field of 1 Tesla is applied to the Sodium atoms, the lines split further. Please construct an energy level diagram to show the split lines. How many distinct lines would you expect?

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