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A prism having an apex angle of 4° and refractive index of 1.50 is located in front of a vertical plane mirror as shown in the figure. A horizontal ray of light is incident on the prism. The total angle through which the ray is deviated is: 

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Important Questions on Ray Optics

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There is a small black dot at the centre C of a solid glass sphere of refractive index μ. When seen from outside, the dot will appear to be located:
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The image for the converging beam after refraction through the curved surface (in the given figure) is formed at:

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In the given figure, a plano-concave lens is placed on a paper on which a flower is drawn. How far above its actual position does the flower appear to be?

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A beam of diameter d is incident on a glass hemisphere as shown in the figure. If the radius of curvature of the hemisphere is very large in comparison to d, then the diameter of the beam at the base of the hemisphere will be:

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A convexo-concave diverging lens is made of glass of refractive index 1.5 and focal length 24 cm. Radius of curvature for one surface is double that of the other. Then radii of curvature for the two surfaces are (in cm):
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Two symmetric double convex lenses A and B have the same focal length, but the radii of curvature differ so that, RA=0.9 RB. If nA=1.63, find nB.
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When a lens of power P (in air) made of material of refractive index μ is immersed in a liquid of refractive index μ0. Then the power of the lens is:
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A lens behaves as a converging lens in air and a diverging lens in water. The refractive index of the material is (refractive index of water=1.33)