The wavelength of the first line of Balmer series is 6563 Ao. The Rydberg constant for hydrogen is about

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1.09×107per m

1.09×108per m

1.09×109per m

1.09×105per m

answer is A.

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Detailed Solution

1λ=R14-19=5R36∴R=365λ=365×6563×10-10=1.09×107m-1

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