Ray Optics and Optical Instruments

Related Questions

• In the position of minimum deviation when a ray of yellow light passes through the prism, then its angle of incidence is

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• Ray optics is valid, when characteristic dimensions are

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• Resolving power of a microscope depends upon

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• ${{f}_{v}}$and ${{f}_{r}}$ are the focal lengths of a convex lens for violet and red light respectively and ${{F}_{v}}$ and ${{F}_{r}}$are the focal lengths of a concave lens for violet and red light respectively, then

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• The focal length of the field lens (which is an achromatic combination of two lenses) of telescope is 90 cm. The dispersive powers of the two lenses in the combination are 0.024 and 0.036. The focal lengths of two lenses are

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