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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A biconvex lens separates two media of refractive indices 1.3 and 1.7. The refractive index of the lens is 1.5 and the radii of curvature of the two sides of the lens are r1 = 10 cm and r2 = 60 cm. The medium of refractive index 1.3 extends to 78

A biconvex lens separates two media of refractive indices 1.3 and 1.7. The refractive index of the lens is 1.5 and the radii of curvature of the two sides of the lens are r1 = 10 cm and r2 = 60 cm. The medium of refractive index 1.3 extends to 78

(b) and (c). Draw a ray diagram to locate the lens and its focus. What type of lens is it? An image I is formed of a point object O by a lens whose optic axis is XY as shown in cases (a)