Question

3. A unitless physical quantity that is the ratio of densities of two quantities answer in one word ​

Answer 1

$\huge{\underline{\mathtt{Required-Answer}}}$

➽Specific gravity is the ratio of the density of a substance to the density of a reference substance; equivalently, it is the ratio of the mass of a substance to the mass of a reference substance for the same given volume. It is a ratio so it doesn't have any unit.

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