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Calculate the focal length of a biconvex lens if the radii of its surfaces are 50 cm and 20 cm, and index of refraction of the lens glass = 1.2.

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MCQs on light reflection using spherical mirrors, refraction, total internal reflection, refraction through prism and lenses, natural phenomena due to sunlight and optical instruments.


Calculate the focal length of a biconvex lens if the radii of its surfaces are 50 cm and 20 cm, and index of refraction of the lens glass = 1.2.






 
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