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Answer to Question #57184 in Optics for Arindam

Question #57184
A planoconvex lens is made of glass of refractive index 1.5. The radius of curvature of its spherical
surface is 40 cm. At what distance from the lens will a parallel beam of light will get focussed?
Draw a neat, clear labelled ray diagram to show image formation from the lens. What will be the
nature and power of a combination of two such lenses kept with their (i) plane surfaces in contact
(ii) spherical surfaces in contact.
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