Advertisements
Advertisements
Question
State Brewster’s law of polarization of light.
Solution
Brewster’s law states that the tangent of the angle of polarization is equal to the refractive index of the medium.
i.e., μ = tan lp, where p is the refractive index and lp the polarizing angle.
APPEARS IN
RELATED QUESTIONS
Derive the expression of Brewster's law when unpolarised light passing from a rarer to a denser medium gets polarised on reflection at the inteface.
The value of Brewster's angle for a transparent medium is different for light of different colours. Give reason.
Ordinary (i.e. unpolarized) light is incident on the surface of a transparent material at the polarising angle. If it is partly reflected and partly refracted, what is the angle between the reflected and the refracted rays?
State Brewster’s law and show that when light is incident at polarizing angle the reflected and refracted rays are mutually perpendicular to each other.
(i) State Brewster's law.
(ii) Find Brewster's angle for a transparent liquid having refractive index 1·5.
Choose the correct answer from given options
The relationship between Brewster angle θ and speed of light v in the denser medium is
The relation between refractive index of the medium and angle of polarisation is called