Ray Optics and Optical Instruments

Related Questions

• A lens (focal length 50 cm) forms the image of a distant object which subtends an angle of 1 milliradian at the lens. What is the size of the image

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• Two thin lenses of focal lengths $f_1$ and $f_2$ are in contact. The focal length of this combination is

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• By placing the prism in minimum deviation position, images of the spectrum

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• A ray is incident at an angle of incidence $i$ on one surface of a prism of small angle $A$ and emerges normally from the opposite surface. If the refractive index of the material of the prism is $\mu $, the angle of incidence $i$ is nearly equal to

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• The minimum temperature of a body at which it emits light is

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