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The wavelength of the first line of Balm...

The wavelength of the first line of Balmer series is `6563 Å`. The Rydbergs constant fro hydrogen is about

A

`1.09 xx 10^(5)` per m

B

`1.09 xx 10^(9)` per m

C

`1.09 xx 10^(8)` per m

D

`1.09 xx 10^(7)` per m

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