In the visible region of the spectrum the rotation of the place of polarization
Channel: Doubtnut
Date: 19/01/2020

In the visible region of the spectrum the rotation of the place of polarization is given by `theta=a+(b)/(lambda^2)`. The optical rotation produced by a particular material is found to be `30^@` per mm at `lambda=5000�` and `50^@` per mm at `lambda=4000�`. The value of constant a will be