Ray Optics and Optical Instruments

Related Questions

• A photograph of the moon was taken with telescope. Later on, it was found that a housefly was sitting on the objective lens of the telescope. In photograph

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• The minimum magnifying power of a telescope is M, If the focal length of its eye lens is halved, the magnifying power will become

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• The spectrum obtained from an electric lamp or red hot heater is

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• A circular disc of which 2/3 part is coated with yellow and 1/3 part is with blue. It is rotated about its central axis with high velocity, then it will be seen as

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• In dispersion without deviation

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