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Question

Physics Question on Units and measurement

Dimensions of relative density is

A

[ML−2][ ML^{ - 2} ]

B

[ML−3][ ML^{ - 3} ]

C

dimensionless

D

[M2L−6][ M^2 L^{ - 6 } ]

Answer

dimensionless

Explanation

Solution

Relative density of a substance is defined as the density of a substance divided by the density of water. Hence, it is a pure ratio and has no dimensions. Therefore, relative density is dimensionless.