Physics · Atomic and Molecular Physics
The Lα line of a Hydrogen atom is found to be a closely-spaced doublet due to fine structure splitting. The absolute separation between the two components of the doublet is approximately 5.4 × 10-4 nm. What minimum spectrometer resolution Δλ is required to just resolve these two lines?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.05 × 10-12 m
- 20.54 × 10-12 m✓
- 35.4 × 10-12 m
- 454 × 10-12 m
Correct answer
0.54 × 10-12 m
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