The wavelength of a spectral line emitted by hydrogen atom in the Lyman series is 1615R cm. Calculate the value of n2. (R = Rydberg constant)

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answer is B.

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Detailed Solution

For Lyman series,1λ=R112-1n22⇒15R16=R112-1n2215R16R=n22-1n22⇒1516=n22-1n2215n22=16n22-16n22=16,n2=4

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