Last Activity: 7 Years ago
1 :- light must travel from denser medium to rarer medium2:- the angle of incidence should be greater than critical angle .
Prepraring for the competition made easy just by live online class.
Full Live Access
Study Material
Live Doubts Solving
Daily Class Assignments
Get your questions answered by the expert for free
Last Activity: 2 Years ago
Last Activity: 3 Years ago