Ray Optics and Optical Instruments

Related Questions

• If in a plano-convex lens, the radius of curvature of the convex surface is 10 cm and the focal length of the lens is 30 cm, then the refractive index of the material of lens will be

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• In a compound microscope the objective of ${{f}_{o}}$ and eyepiece of ${{f}_{e}}$ are placed at distance L such that L equals

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• Dispersion can take place for

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• A normally incident ray reflected at an angle of ${{90}^{o}}$. The value of critical angle is

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• A planet is observed by an astronomical refracting telescope having an objective of focal length 16 m and an eye-piece of focal length 2 cm

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