Ray Optics and Optical Instruments

Related Questions

• The refractive index of a prism for a monochromatic wave is $\sqrt{2}$ and its refracting angle is 60°. For minimum deviation, the angle of incidence will be

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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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• A man suffering from myopia can read a book placed at 10 cm distance. For reading the book at a distance of 60 cm with relaxed vision, focal length of the lens required will be

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• A bi-convex lens made of glass (refractive index 1.5) is put in a liquid of refractive index 1.7. Its focal length will

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• A light wave has a frequency of $4 imes {{10}^{14}}$Hz and a wavelength of $5\times {{10}^{-7}}$ meters in a medium. The refractive index of the medium is

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