Ray Optics and Optical Instruments

Related Questions

• A watch shows time as $3:25$ when seen through a mirror, time appeared will be

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• The plane surface of a plano-convex lens of focal length $f$ is silvered. It will behave as

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• A telescope has an objective lens of focal length 200 cm and an eye piece with focal length 2 cm. If this telescope is used to see a 50 meter tall building at a distance of 2 km, what is the height of the image of the building formed by the objective lens

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• When a telescope is adjusted for parallel light, the distance of the objective from the eye piece is found to be 80 cm. The magnifying power of the telescope is 19. The focal lengths of the lenses are

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• The light when enters the human eye experiences most of the refraction while passing through

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