What is Prism? Prism is uniform transparent refracting medium bounded by two plane surfaces inclined at an angle. What is an optical centre? A point on the principal axis, through which, light rays...
Questions: Solution: Q.18 Q.19 Answer = 32 In radius = 4 Let tangents fro A be p, tangents from B be q and tangents from C be r. So, AB+BC-AC = 8. q+q = 8, q = 4. Same...