A point object O is kept at a distance OP=u The radius of curvature of the spherical surface APB is CP=R The refractive index of the media are n1 and n2 which are as shown in the diagram . Then, A point object O is kept at a distance OP=u The radius of curvature of the spherical surface APB is CP=R The refractive index of the media are n1 and n2 which are as shown in the diagram . Then November 17, 2020 Category: Cengage NEET by C.P Singh , Chapter 18 - Refraction at Spherical Surfaces , Part 2 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related