What do you mean by this statement :
The refractive index of ice is 1.3
The density of iron is 7.8gm cm-3
What do you mean by the refractive index of a medium?
Refractive Index of diamond is 2.4. What do you understand by this statement?
What do you understand by the statement ‘the refractive index of glass is 1.5 for white light?