Ray Optics and Optical Instruments

Related Questions

• Angle of a prism is 30° and its refractive index is $\sqrt{2}$ and one of the surface is silvered. At what angle of incidence, a ray should be incident on one surface so that after reflection from the silvered surface, it retraces its path

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• In vacuum the speed of light depends upon

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• An astronomical telescope has an angular magnification of magnitude 5 for distant objects. The separation between the objective and the eye piece is 36 cm and the final image is formed at infinity. The focal length $f_o$ of the objective and the focal length $f_e$ of the eye piece are

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• Which of the following colours suffers maximum deviation in a prism

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• Large aperture of telescope are used for

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