Multiple Choice
In the laboratory,a spectral line of an element has a wavelength of 5000 Angstroms.What would be the measured wavelength of that line in the spectrum of a planet that is approaching at a velocity of 30 km/s? (The speed of light is 300,000 km/s. )
A) 4999.5 Angstroms
B) 4995 Angstroms
C) 5000.5 Angstroms
D) 5005 Angstroms
Correct Answer:

Verified
Correct Answer:
Verified
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