PhysicsMedium105×since 2002Q7050The power of a lens (biconvex) is 1.25 m−11.25 \mathrm{~m}^{-1}1.25 m−1 in particular medium. Refractive index of the lens is 1.5 and radii of curvature are 20 cm20 \mathrm{~cm}20 cm and 40 cm40 \mathrm{~cm}40 cm respectively. The refractive index of surrounding medium:A1.0B97\frac{9}{7}79C32\frac{3}{2}23D43\frac{4}{3}34Check answerSkip