Question:
Hydrogen atom in ground state is excited by a monochromatic radiation of λ=975. Number of spectral lines in the resulting spectrum emitted will be
Hydrogen atom in ground state is excited by a monochromatic radiation of λ=975. Number of spectral lines in the resulting spectrum emitted will be
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Total spectral lines depend on highest excited level.
Updated On: Mar 18, 2026
- 3
- 2
- 6
- 10
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The Correct Option is C
Solution and Explanation
Step 1: Energy corresponds to excitation up to n=4.
Step 2: Number of spectral lines: N=(n(n-1))/(2)=(4×3)/(2)=6
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