Multiple Choice
Doppler shifted hydrogen absorption lines are seen in the spectrum of a star. The hydrogen line at 656.28 nm is seen to be shifted to 656.08 nm. The star is moving at which fraction of the speed of light?
A) about 0.03 (3 × 10-2)
B) about 0.2
C) about 0.000003 (3 × 10-6)
D) about 0.0003 (3 ×10-4)
Correct Answer:
Verified
Correct Answer:
Verified
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