Question
Write the necessary conditions, for the phenomenon of total internal reflection to take place.
Solution
Necessary conditions for the total internal reflection are:
(i) Light must travel from denser medium to rarer medium.
(ii) The angle of incidence (in the denser medium) must be greater than the critical angle ic where
(i) Light must travel from denser medium to rarer medium.
(ii) The angle of incidence (in the denser medium) must be greater than the critical angle ic where
