Ray Optics and Optical Instruments

Related Questions

• When a ray of light is incident normally on one refracting surface of an equilateral prism (Refractive index of the material of the prism = 1.5

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• If the refractive indices of a prism for red, yellow and violet colours be 1.61, 1.63 and 1.65 respectively, then the dispersive power of the prism will be

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• The aperture of the objective lens of a telescope is made large so as to

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• In the visible region the dispersive powers and the mean angular deviations for crown and flint glass prisms are $\omega \omega ‘$and $d, d’$ respectively. The condition for getting deviation without dispersion when the two prisms are combined is

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• At the time of total solar eclipse, the spectrum of solar radiation would be

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