Given the density of air is `1.29 kg m^(-3)`. Then, the relative density of air is ________.

If the density of iron is 7.85 g cm^(-3) and density of water is 1000 kg m-3, then the relative density of iron is __________.

Density of mercury is 13600 kg m^(-3) . Calculate the relative density.

Given the volume of air is 1.29 m^(+3) . Then express it in c.c.

The length, breadth and height of a room are 8 m, 5 m and 3 m respectively. If density of air is 1.29 kg m^(-3) , find the mass of air in the room.

The density of air is 1.293 kg m^3 . Express it in cgs units.

If density of a substance is x kg//m^(3) , find its relative density.

At STP, density of air is 1.3xx10^(-3)g*cm^(-3) . Vapour density of air is-

Density of aluminium is 2700 kg/ m^(3) . Find the relative density of aluminium given that density of water =10^(3)kg//m^(3)