HYDROGEN SPECTRUM

by • 01/08/2013 • GeneralComments (0)348

HYDROGEN SPECTRUM

 

Lyman Series:

The line spectrum obtain when radiations emit due to transfer of electron from any higher orbit to 15 orbit is called Lyman Series. The expression for wave number for Lyman Series is

ū = RH {1 / n²1 – 1 / n²2}

n1= 2

n2 =  3, 4, 5….

 

PASCHEN SERIES

ū = RH {1 / n²1 – 1 / n²2}

n1= 3

n2 = 4, 5, 6….

 

BRAKET SERIES

ū = RH {1 / n²1 – 1 / n²2}

n1= 4

n2 = 5, 6, 7….

 

PFUND SERIES

ū = RH {1 / n²1 – 1 / n²2}

n1= 5

n2 = 6, 7….

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