Question

If the polarising angle is alpha and critical angle is beta then

Answer 1

Answer:

tan alpha .cos beta = 1

Answer 2

Answer:

13.6 Pulfrich refractometer and measurement of the critical angle C.A. N = 1.90 , C.A. = 50 ° , n = 1.455 . the angle of incidence , light is ... Ultimately , an angle of incidence is reached , as at ray D , for which the angle of refraction is 90 ° , and the ray thengrazes the surface of the interface . ... In general , light passing through an anisotropic crystal is broken into two polarized rays that travel at different velocities and vibrate in ... Α ' Β ' C ' D ' Glass n = 1.52 Glass ssn = 1 E D CBA • C.A .