1.

What is the SI unit of density?

Answer»

`gm^(-3)`
`kg//m^(3)`
`gcm^(-3)`
`kg//cm^(3)`

Solution :b) Density of a SUBSTANCE is defined as its AMOUNT of mass per unit VOLUME.
SI unit of density=`(kg)/(m^(3))` or kg`m^(-3)`


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