46 A rod of glass m 1 5 and of square cross section is bent

Last updated: 6/2/2023

46 A rod of glass m 1 5 and of square cross section is bent into the shape shown in the figure A parallel beam of light falls o plane flat surface A as shown in the figure If d is the width of a side and R is the radius of circular arc then for what maximum light entering the glass slab value of d n R 100 through surface Aemerges from the glass through B The value of n is d A B