Question

Why relative density has no unit? Explain ​

Answer 1

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Relative density has no unit because it is the ratio of same units which gets cancelled. Answer: ... As both the numerator and the denominator on the RHS of the above formula has the same unit (i.e. kg/m3) they get cancelled. Hence relative density has no unit.

Answer 2

Explanation:

because it is the ratio of same units which gets cancelled Relative density = Density of the substance/density of water at 4°c