Physics, asked by remantkakkar5746, 11 months ago

A heavenly body is receding from earth such that the fractional change in λ is 1, then its velocity is
(a) C
(b) $\frac{3C}{5}$
(c) $\frac{C}{5}$
(d) $\frac{2C}{5}$

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Answered by phadshyam426

3

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