A distant quasar is observed spectroscopically and determined to have a redshift of 5. What is the observed wavelength of its blue Balmer-series H-beta line, which occurs normally at a wavelength of 486 nm in the lab?

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     97 nm, in the ultraviolet region
      1215 nm, in the near infrared
      24,300 nm, in the far infrared region
      194 nm, in the ultraviolet region
      2916 nm, in the middle infrared region
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

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2916 nm, in the middle infrared region
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)

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