A sample of hydrogen gas was placed in a discharge tube and its spectrum was measured using a high resolution spectrometer. The H¸ line in the spectrum was found to be split into two lines, a high intensity line at 656.28 nm, and a low intensity line at 656.01 nm. This indicates that the hydrogen sample was contaminated with (a) deuterium (c) helium (b) tritium (d) water vapour
A sample of hydrogen gas was placed in a discharge tube and its spectrum was measured using a high resolution spectrometer. The H¸ line in the spectrum was found to be split into two lines, a high intensity line at 656.28 nm, and a low intensity line at 656.01 nm. This indicates that the hydrogen sample was contaminated with (a) deuterium (c) helium (b) tritium (d) water vapour
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Transcribed Image Text:A sample of hydrogen gas was placed in a discharge tube and its spectrum was measured using a high
resolution spectrometer. The H line in the spectrum was found to be split into two lines, a high
intensity line at 656.28 nm, and a low intensity line at 656.01 nm. This indicates that the hydrogen
sample was contaminated with
(a) deuterium
(c) helium
(b) tritium
(d) water vapour
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