Sound WavesHard
Question
According to Hubble,s law the red-shift (Z) of a receding galaxy and its distance r from earth are related as :
Options
A.Z ∠r
B.Z ∠1/ r
C.Z ∠1/ r2
D.Z ∠1/ r3/2
Solution
According to Hubble′s Law
Z ∠r    [Zis rad shift]
Z ∠r    [Zis rad shift]
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