Question

Define density and write down its S.I unit ?​

Answer 1

Density means mass per unit volume

Density = mass / volume

Particles in solids are very closely packed so they have high density. In gases, there is plenty of spaces between particles due to which density is low.

S.I unit of density is kgm– 3 (kilogram per cubic meter).

Answer 2

Answer:

the substance having act on the mass per unit volume called density.

the s. I unit of density is mass/ volume