A heavenly body is receding from earth such that the fractional change – McqOptions

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1.	A heavenly body is receding from earth such that the fractional change in l is 1, then its velocity is [DCE 2000]
A.	C
B.	\[\frac{3C}{5}\]
C.	\[\frac{C}{5}\]
D.	\[\frac{2C}{5}\]
Answer» B. \[\frac{3C}{5}\]

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