Physics, 14.10.2019 18:30 Nevaeh3700
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 0.3 (3 ã 10â6 )
b) about 0.0003 (3 ã10â4 )
c) about 0.2
d) about 0.03 (3 ã 10â2 )
Answers: 3
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Doppler shifted hydrogen absorption lines are seen in the spectrum of a star. the hydrogen line at 6...
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