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Hubble’s law states that the velocity with which milky way is moving away from the earth is proportional to

(a)      Square of the distance of the milky way from the earth

(b)  Distance of milky way from the earth

(c)   Mass of the milky way

(d)  Product of the mass of the milky way and its distance from the earth

(e)  Mass of the earth

Answer: b

(8)

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