Multiple Choice
A spectral line of a certain star is observed to be "red shifted" from a wavelength of 500 nm to a wavelength of 1500 nm.Interpreting this as a Doppler effect, the speed of recession of this star is:
A) 0.33c
B) 0.50c
C) 0.71c
D) 0.80c
E) c
Correct Answer:
Verified
Correct Answer:
Verified
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