Ray Optics and Optical Instruments

Related Questions

• Line spectrum was first of all theoretically explained by

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• A thin prism $P_1$ with angle 4° and made from glass of refractive index 1.54 is combined with another thin prism $P_2$ made from glass of refractive index 1.72 to produce dispersion without deviation. The angle of prism $P_2$ is

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• A double convex thin lens made of glass (refractive index $\mu = 1.5$) has both radii of curvature of magnitude $20 cm$. Incident light rays parallel to the axis of the lens will converge at a distance $L$ such that

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• A convex lens of crown glass ($ =1.525$) will behave as a divergent lens if immersed in

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• In an astronomical telescope, the focal length of the objective lens is 100 cm and of eye-piece is 2 cm. The magnifying power of the telescope for the normal eye is

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