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Grade: 12
        In a sample of hydrogen like atoms all of which are in ground state ,a photon beam containing photons of various energies is passed.In absorption spectrum ,five dark lines are observed.The number of bright lines in the emission spectrum will be(assume that all transitions take place)
7 years ago

Answers : (1)

Arun Kumar
IIT Delhi
askIITians Faculty
256 Points
							Hello
Sigma of n-1
n= 6 since 5 dark lines
so
Sigma of r-1
where r goes to 6
=>15
Thanks & Regards
Arun Kumar
Btech, IIT Delhi
Askiitians Faculty
5 years ago
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