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The Hydrogen Balmer Line H γ\gamma Has a Wavelength of 434

Question 83

Multiple Choice

The hydrogen Balmer line H γ\gamma has a wavelength of 434.0 nm in the laboratory. It is observed in a quasar at 651.0 nm. In terms of the speed of light, c, what is the recessional velocity of this quasar?


A) 217.0c
B) 2c
C) 1.5c
D) 0.67c
E) 0.5c

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