The radius of curvature of the convex face of a plano-convex lens is 12 cm

The Radius Of Curvature Of The Convex Face Of A Physics QuestionThe Radius Of Curvature Of The Convex Face Of A Physics Question

The radius of curvature of the convex face of a plano-convex lens is 12 cm and the refractive index of the material of the lens is 1.5. Then, the focal length of the lens is

Options

(a) 6 cm
(b) 12 cm
(c) 18 cm
(d) 24 cm

Correct Answer:

24 cm

Explanation:

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