Radii of curvature of a converging lens are in the ratio `1 : 2`. Its focal length is `6 cm` and refractive index is `1.5`. Then its radii of curvature are

Radii of curvature of a converging lens are in the ratio 1 : 2 . Its focal length is 6cm and refractive index is 1.5. Then its radii of curvture are _____ respectively.

Radii of curvature of a converging lens are in the ratio 1:2. Its focal length is 6cm and refractive index is 1:5. Then, its radii of curvature are…

Radii of curvature of a canverging lends are in the ration 1:2. Its focal length is 6cm and refractive index is 1:5. Then, its radii of curvature are…

Radius of curvature of plano-convex lens is 10 cm. If its focal length is 30 cm, then its refractive index will be .......

The radii of curvatures of a convex lens are 0.04 m and 0.04m. Its refractive index is 1.5. Its focal length is

The radii of curvatures of a convex lens are 0.04 m and 0.04m. Its refractive index is 1.5. Its focal length is

The radii of curvatures of a double convex lens are 15 cm and 30 cm, and its refractive index is 1.5. Then its focal length is -

The radii of curvature of the faces of a double convex lens are 10 cm and 15 cm, Its focal length is 12 cm. What is the refractive index of the glass ?