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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