The wavelength of Lyman series is

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$\frac{3}{4} \times 10967 cm$

$\frac{3}{4 \times 10967} cm$

$\frac{4}{3 \times 10967} cm$

$\frac{4 \times 10967}{3} cm$

answer is A.

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Detailed Solution

$\frac{1}{λ} = R_{H} [\frac{1}{n_{1}^{2}} - \frac{1}{n_{2}^{2}}] .$ For Lyman series n₁=1 and n₂=2, 3, 4, When n₂=2, we get $λ = \frac{4}{3 R_{H}} = \frac{4}{3 \times 10967} cm$

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