For the advancement of science, you encased your friends goldfish in a spherical ball of green Jell-O. The ball has a radius of 4.20 m and refractive index of 1.68. a) looking into the Jell-O, the fish appears to be 1.80 m away from the surface. What is the fish's actual position, relative to the surface? b) light from a distant window behind you has parallel rays that hit the surface of the Jell-O. How far behind the surface with the light be brought into focus