Ray Optics and Optical Instruments

Related Questions

• A glass lens is placed in a medium in which it is found to behave like a glass plate. Refractive index of the medium will be

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• The refractive index of the material of the prism for violet colour is 1.69 and that for red is 1.65. If the refractive index for mean colour is 1.66, the dispersive power of the material of the prism

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• A small object is placed 10 cm infront of a plane mirror. If you stand behind the object 30 cm from the mirror and look at its image, the distance focused for your eye will be

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• To get three images of a single object, one should have two plane mirrors at an angle of

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• Which of the following element was discovered by study of Fraunhofer lines

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