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MHT CET 2024 (9 May, Shift 1) · Hydrogen Spectrum & Spectral Series

Hydrogen Spectrum & Spectral Series question from MHT CET 2024 (9 May, Shift 1)

Q21MHT CET 2024 · 9 MAY · SHIFT 1Medium

Hydrogen Spectrum & Spectral Series

According to Bohr's theory of hydrogen atom, the ratio of the maximum and minimum wavelength of Lyman series will be

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Answer: (b)

Lyman maximum $\lambda$ ( $2 \to 1$ ): $\lambda_{max} = \frac{4}{3R}$ .
Lyman minimum $\lambda$ (limit): $\lambda_{min} = \frac{1}{R}$ .
$\frac{\lambda_{max}}{\lambda_{min}} = \frac{4}{3}$ .
So the answer is (b) $4 : 3$ .

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