The correct curve between refractive index `mu` and wavelength `lambda` will be

The relation between refractive index and the wavelength light mu= A + B//lambda^2 . What is the dimension of B?

What is the relation between refractive index n and the wavelength of light ?

The correct relation between the refractive index ( mu ) of the material of prism (A) and angle of minimum deviation ( delta ) is

The correct relation between the refractive index ( mu ) of the material of prism (A) and angle of minimum deviation ( delta ) is

Which of the following graphs shows appropriate variation of refractive index mu with wavelength lambda

For small angled prisms, (whose refracting angle (A) is less than 5"), the correct relation between refractive index ( mu ) of material of prism and angle of deviation is

For small angled prisms, (whose refracting angle (A) is less than 5"), the correct relation between refractive index ( mu ) of material of prism and angle of deviation is