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Calculate the wavelength of the limiting...

Calculate the wavelength of the limiting line in Balmer series.

Text Solution

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For the limiting line, `(n_(2)=prop)`, therefore,
`(1)/(lambda)= R((1)/(2^(2)) -(1)/(alpha^(2)))=(R )/(4) =(109677)/(4) cm^(-1)=27419cm^(-1)=3.647xx10^(-5)cm=364.7nm`
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