11.Calculatethe wave number of second line in the Balmer series of hyd – InterviewSolution

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11.Calculatethe wave number of second line in the Balmer series of hydrogen spectrumIR4 1.09 x 107m -1]

Answer»

For Balmer series,_v = R[ 1/(n1)^2 - 1/(n2)^2 ]

Balmer series For second Line( n1=2) (n2 = 4).n1=2 ; n2=4_v = R[ 1/(2)^2 - 1/(4)^2]

_v=1.09×10^7[3/16]

_v = 2.04×10^-6

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