PHYSICS · Subjective · CBSE · Physics · Ray Optics and Optical Instruments · Ray Optics and Optical Instruments
Problem
For crown glass, the refractive index for red light is 1.514 while for violet light it is 1.523.
(i) Calculate the critical angle in air for red light.
(ii) Calculate the critical angle in air for violet light.
(iii) Which colour will undergo total internal reflection more readily?