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    Physics & Astronomy
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    Horizons Exploring the Universe
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    Exam 13: Galaxies: Normal and Active
  5. Question
    The Hydrogen Balmer Line Hβ Has a Wavelength of 486
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The Hydrogen Balmer Line Hβ Has a Wavelength of 486

Question 107

Question 107

Multiple Choice

The hydrogen Balmer line Hβ has a wavelength of 486.1 nm in the laboratory. It is observed in a quasar at 2430.5 nm. What is the fractional change in wavelength or redshift z of this quasar


A) 5
B) 0.5
C) 0.25
D) 4
E) 1944.4

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