Water glass is:

What is water glass ?

For impure water - glass surface , the angle of contact is

For impure water - glass surface, the angle of contact is,

Relation between critical angles of water and glass is

The refractive index of water, glass and diamond are 1.33 , 1.50 , 2.40 respectively. The refractive index of diamond relative to water and of glass relative of diamond, respectively are nearly

What is water glass

What is water glass

A glass is fully with water at 4^(@)C . Water overflows when the glass is