The wavelength of light observed on the earth, from a moving star is found to decrease by 0.05%. Relative to the earth the star is
A
Moving away with a velocity of 
B
Coming closer with a velocity of 
C
Moving away with a velocity of 
D
Coming closer with a velocity of 
Text Solution
Verified by ExpertsThe correct answer is:
B
⇒ ⇒ v = 1.5 × × 10 5 m/s
(Since wavelength is decreasing, so star coming closer)
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