Relative density of substance is

$\frac{Density of substance}{Density of air}$

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$\frac{Density of substance}{Density of turpentine}$

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$\frac{Density of substance}{Volume of water}$

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$\frac{Mass of unit volume of substance}{Mass of unit volume of water}$

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Solution

The correct option is D
$\frac{Mass of unit volume of substance}{Mass of unit volume of water}$

$Relative density = \frac{Density of substance}{Density of water}$ .

As we know density = $\frac{Mass}{volume}$ .

So $Relative density = \frac{Mass of unit volume of substance}{Mass of unit volume of water}$

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Similar questions

Q. How are the relative density and the density of a substance related? What is the unit of relative density?

Q. What is relative density in terms of density of substance?

Relative density of a substance is expressed by comparing the density of that substance with density of:

(a) What is the difference between the density and relative density of a substance?
(b) If the relative density of a substance is 7.1, what will be its density in SI units?

Which of the following statement(s) is/are true about relative density?
Statement 1: Relative density is known as the specific gravity of the substance.
Statement 2: Relative density of a substance is the ratio of the density of the substance to the density of water at $4^{\circ} C$ .
Statement 3: Relative density of a substance is the ratio of the mass of water at $4^{\circ} C$ to the mass of a substance at $4^{\circ} C$ .
Statement 4: Relative density is unitless.

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Relative density of substance is

The correct option is D Mass of unit volume of substanceMass of unit volume of water Relative density=Density of substanceDensity of water. As we know density = Massvolume. So Relative density=Mass of unit volume of substanceMass of unit volume of water