The observed wavelength of light coming from a distant galaxy is found to be increased by 0.5% as compared with that coming from a terrestrial source. The galaxy is
A
Stationary with respect to the earth
B
Approaching the earth with velocity of light
C
Receding from the earth with the velocity of light
D
Receding from the earth with a velocity equal to 
Text Solution
Verified by ExpertsThe correct answer is:
D
Now 
Increase in λ λ indicates that the star is receding.
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