NEET2017Physics-Atomic Physics
NEET 2017 Physics Hydrogen Spectrum MCQ Question
Type: MCQ-conceptual-Medium-Class 12
The ratio of wavelengths of the last line of Balmer series and the last line of Lyman series is
A
2
B
1
C
4
D
0.5
Correct Answer
Option C
Detailed Explanation
The last line of the Balmer series corresponds to the transition from n = ∞ to n = 2, and the last line of the Lyman series corresponds to the transition from n = ∞ to n = 1. The ratio of wavelengths is 4.
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