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Lenses are constructed by a material of refractive index 1.50. The magnitude of the radii of curvature are 20 cm and 30 cm.

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asked Mar 30, 2018 in Physics by Nisa (2,540 points) ● 1 ● 15

Lenses are constructed by a material of refractive index 1.50. The magnitude of the radii of curvature are 20 cm and 30 cm. Find the focal lengths of the possible lenses with the above specifications.

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answered Mar 30, 2018 by rubby (7,550 points) ● 1 ● 3 ● 5
selected Apr 1, 2018 by Vikash Kumar
 
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Given μ = 1.5
Magnitude of radii of curvatures = 20 cm and 30 cm
The 4types ofpossible lens are as below.

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