10. The radii of curvature of a double convex lens are
15 cm and 30 cm and the refractive index of its glass
is 1.5. Calculate the focal length of the lens.
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10. The radii of curvature of a double convex lens are
15 cm and 30 cm and the refractive index of its glass
is 1.5. Calculate the focal length of the lens.
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Explanation:
20 cm that is ur answer
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Answer:
The focal length of the lens = 20 cm
Explanation:
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