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Sahay Sir > Question Answers > Cengage JEE Mains Physics by B.M Sharma > Chapter 26 - Geometrical Optics > A hollow double concave lens is made of very thin transparent material. It can be filled with air or either of two liquids L1 and L2 having refracting indices n1 and n2 respectively (n2>n1>1)The lens will diverge a parallel beam of light if it is filled with

A hollow double concave lens is made of very thin transparent material. It can be filled with air or either of two liquids L1 and L2 having refracting indices n1 and n2 respectively (n2>n1>1)The lens will diverge a parallel beam of light if it is filled with

A ray of light falls on a transparent sphere with center at C as shown in Figure . The ray emerges from the sphere parallel to line AB. Find the refractive index of the sphere.