1.

The wavelength of the first member of theBalmer series in hydrogen spectrum is xÅ. Then the wave length ("in "Å) of the first member of Lyman series in the same spectrum

Answer»

`(5)/(27) x `
`4/3 x `
`(27)/(5) x `
`(5)/(36)` x

SOLUTION :For Lyman SERIES `1/(lambda) = bar(upsilon_2) = R(1/((1)^2) - 1/((2)^2))`
For Balmer series , `bar(upsilon_1) = R (1/((1)^2) - 1/((3)^2))`


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