d none of these 60 A black spot is present at the center of

Last updated: 6/26/2023

d none of these 60 A black spot is present at the center of the face of an equilateral prism A man placed his eye close to the opposite corner He sees two images of the spot at an angular separation of 60 What is the condition on the refractive index of the prism very Eye a 2 b 2 Black spot c 2 3 d 2 3