1.

What is the SI units of density ?

Answer»

`"g cm"^(-3)`
`GM^(-3)`
`"KG m"^(-3)`
`"kg cm"^(-3)`

Solution :Density of substance is defined as its amount of mas PER unit VOLUME. So, SI unit of density can be obtained by using the following relation
SI unit of density `=("SI unit of mass")/("SI unit of volume")`
`=(kg)/(m^(3))or kgm^(-3)`


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