Multiple Choice
The hydrogen Balmer H line with laboratory wavelength 656.3 nm is identified in emission in the spectrum of a quasar at 1968.9 nm. What is its velocity with respect to us?
A) 0.8c toward us
B) 0.8c away from us
C) 1.2c toward us
D) 1.2c away from us
Correct Answer:
Verified
Correct Answer:
Verified
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