12 A homogeneous glass cone of half angle 30 is placed

Last updated: 6/24/2023

12 A homogeneous glass cone of half angle 30 is placed inverted on a disc so that its axis is vertical Radius of the disc is 4 0 cm and the tip of the cone coincides with the centre of the disc What is the radius of the disc visible through the circular base of the cone from a large height Refractive index of the glass of the cone is 1 5