Sahay Sir > Question Answers > MTG NEET Physics > Part 2 > Chapter 9 - Ray Optics > A disc is placed on a surface of pond which has refractive index 35 . A source of light is placed 4 m below the surface of liquid. The minimum radius of disc will be so light is not coming out
A disc is placed on a surface of pond which has refractive index 35 . A source of light is placed 4 m below the surface of liquid. The minimum radius of disc will be so light is not coming out