Diameter of aperture of a plano convex lens and thickness related to f in physics
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Diameter of a plano-convex lens is 6 cm and thickness. Diameter of a plano-convex lens is 6 cm and thickness at the centre is 3 mm. If speed of light in material of lens is 2 × 108 m/s, the focal length of the lens is: 10 cm.
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