The figure shows a transparent sphere of radius R and

Last updated: 6/25/2023

The figure shows a transparent sphere of radius R and refractive index u An object O is placed at a distance x from the pole of the first surface so that a real image is formed at the pole of the exactly opposite surface Air X A If x 2R then the value of u is 3 C If x 2R then the value of u is 2 2R B If x then the value of u is 2 D If x then the value of u is 3