Curved surfaces of a plano-convex lens of refractive index \\mu_{1} and a plano-concave lens of refractive index \\mu_{2} have equal radius of curvature as shown in figure. Find the ratio of radius of curvature to the focal length of the combined lenses. [27 Aug 2021 Shift 2]

Ray Optics and Optical Instruments Part 2

Section: Physics

Question : 93 of 100

Marks: +1, -0

Curved surfaces of a plano-convex lens of refractive index µ1 and a plano-concave lens of refractive index µ2 have equal radius of curvature as shown in figure. Find the ratio of radius of curvature to the focal length of the combined lenses.

[27 Aug 2021 Shift 2]

1
µ2−µ1
µ1−µ2
1
µ1−µ2
µ2−µ1

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