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
Correct Answer:

Verified
Correct Answer:
Verified
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