NEET2025Chemistry-Hydrogen Atom Transitions
NEET 2025 Chemistry Wavelength Ratios MCQ Question
Type: MCQ-numerical-Easy-Class 11
The ratio of the wavelengths of the light absorbed by a Hydrogen atom when it undergoes n = 2 → n = 3 and n = 4 → n = 6 transitions, respectively, is
A
1/36
B
1/16
C
1/9
D
1/4
Correct Answer
Option D
Detailed Explanation
Using the Rydberg formula, the wavelength ratio is determined by the inverse of the square of the difference in energy levels. The ratio is (1/3² - 1/2²) / (1/6² - 1/4²) = 1/9.
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