What is line spectra of hydrogen

1.	What is line spectra of hydrogen
Answer» When hydrogen gas present on discharge tube passed through high voltage & low pressure, the radiations emitted passed through spectroscope and spectrum is obtained on photographic plate. Hydrogen spectrum contains several lines known as series. The series present in hydrogen spectrum are:-\tSeriesn1n2Spectral regionLyman12,3,4,..UltravioletBalmer23,4,5….VisiblePaschen34,5,6,7..InfraredBrackett45,6,7…InfraredPfund56,7,8…Infrared\t\xa0

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