The 
line emitted by hydrogen in a star is found to be red-shifted by 
. The speed with which the star is receding from the earth is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
B
Wavelength of 
line, 
Red shift observed in star, 
Let the velocity of the star with which it is receding away from the earth be 
.
Red shift relation, 
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