Ray Optics and Optical Instruments

Related Questions

• The refractive index of a piece of transparent quartz is the greatest for

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• The radius of the convex surface of plano-convex lens is 20 cm and the refractive index of the material of the lens is 1.5. The focal length of the lens is

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• In the visible region the dispersive powers and the mean angular deviations for crown and flint glass prisms are $\omega \omega ‘$and $d, d’$ respectively. The condition for getting deviation without dispersion when the two prisms are combined is

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• The length of the compound microscope is 14 cm. The magnifying power for relaxed eye is 25. If the focal length of eye lens is 5 cm, then the object distance for objective lens will be

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• Band spectrum is produced by

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