139 The refracting angle of a prism is A and refractive

Last updated: 6/27/2023

139 The refracting angle of a prism is A and refractive index of the material of the prism is cot A 2 The angle of minimum deviation is 2015 b 90 A d 180 3A a 180 2A c 180 2A 140 Two identical thin plano convex glass lenses