Question
Thu November 24, 2011 By: Garg Ishita

show that no ray can pass through a prism whose refracting angle A is greater than twice the critical angle for the material of the prism

Expert Reply
Thu December 01, 2011
90-i=i+90-A
SO, A=2i
so if A>2I THEN NO LIGHT WILL PASS THROUGH THE PRISM.
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