5 A spherical surface of radius of curvature R separates air

Last updated: 5/30/2023

5 A spherical surface of radius of curvature R separates air refractive index 1 0 from glass refractive index 1 5 The centre of curvature is in glass A point object P placed in air is found to have a real image Q in the glass The line PQ cuts the surface at a point O and PO OQ The distance PO is equal to 1 R 2 3 R 3 2 R 4 5 R