What is law of density of material ?

What is law of length ?

What is law of mass ?

If the relative density of a material is 2.5, find its density.

If p is the density of the material of a wire and sigma the breaking stress, the greatest length of the wire that can hang freely without breaking is

State whether the following statement are True or False : The density of a material is useful to determine its purity.

What is relative density of a substance ?

A sonometer wire of length 0.5 m is stretched by a weight of 5 kg. The fundamental frequency of vibration is 100 Hz . Determine the linear density of material of wire.

Solve the following problems : Specific gravity of platinum is 20.4 . The density of water is 10^3kg/m^3 . What is the density of platinum ?

What is density of a substance ? Obtain its SI unit.

What is law of isochronous ?