An equi-convex lens ( = 1.5) is combined with an equi concave lens (u = 1.3). the radii of (a) the combination behaves like a converging lens in medium of refra

An equi-convex lens ( = 1.5) is combined with an equi concave lens (u = 1.3). The radii of (A) The combination behaves like a converging lens in medium of refractive index 1.4 and (B) The combination behaves like a converging lens in a medium of refractive index 1.2 as (C) The combination behaves like a diverging lens in medium of refractive index 1.2 as well (D) The combination behaves like a diverging lens in medium of refractive index 1.4 and curvature of all surfaces is the same. (Assume thin lenses) diverging lens in a medium of refractive index 1.6. well as 1.4. as 1 converging lens in a medium of refractive index 1.6. 1.6.