Ray Optics and Optical Instruments

Related Questions

• In the formation of primary rainbow, the sunlight rays emerge at minimum deviation from rain-drop after

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• In a compound microscope cross-wires are fixed at the point

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• The mean distance of sun from the earth is $1.5\times {{10}^{8}}Km$ (nearly). The time taken by the light to reach earth from the sun is

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• The ratio of the refractive index of red light to blue light in air is

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• For a prism of refractive index 1.732, the angle of minimum deviation is equal to the angle of the prism. The angle of the prism is

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