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An astronomer finds a new absorption line with ? = 164.1 nm in the ultraviolet region...

An astronomer finds a new absorption line with ? = 164.1 nm in the ultraviolet region of the Sun’s continuous spectrum. He attributes the line to hydrogen’s Lyman series. Is he right? Justify your answer.

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Answer #1

The Lyman series is given by the expession of the wavelength
  
where, n = 2, 3, 4,5....... And . And, so, the maximum wavelength is when, n = 2. So, putting, n = 2, we get
  

  
So, it can't be in Hydrogen's Lyman series. So, he is not right.

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