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The wavelength of the H $α$ line in the Balmer series of the hydrogen atom is $λ$ The wavelength
of the same line in doubly ionized lithium is

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λ9

λ8

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λ2

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detailed solution

Correct option is A

For a given set of n1 and n∵1λ=RZ21n12−1n22∴λHeλH=Z2ZHe2=132⇒λHe=λH9=λ9

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The wavelength of the Hα line in the Balmer series of the hydrogen atom is λ The wavelengthof the same line in doubly ionized lithium is

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Ready to Test Your Skills?

free study material

The wavelength of the H $α$ line in the Balmer series of the hydrogen atom is $λ$ The wavelength
of the same line in doubly ionized lithium is