Refractive index is given by

PHYSICS · Single correct · CBSE · Physics · Units and Measurements · Units and Measurements

Problem

Refractive index

\mu

is given by

\mu=a+\frac{b}{\lambda^2}

, where

a

and

b

are constants and

\lambda

is the wavelength. The dimensions of

b

are the same as those of (1) Wavelength (2) Volume (3) Pressure (4) Area