Ray Optics and Optical Instruments

Related Questions

• A convex lens of power + 6D is placed in contact with a concave lens of power – 4D. What is the nature and focal length of the combination

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• A reflecting telescope utilizes

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• Magnifying power of a simple microscope is (when final image is formed at $D = 25 cm$ from eye)

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• The radius of curvature of convex surface of a thin plano-convex lens is $15 cm$ and refractive index of its material is $1.6$. The power of the lens will be

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• On a glass plate a light wave is incident at an angle of 60°. If the reflected and the refracted waves are mutually perpendicular, the refractive index of material is

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