Ray Optics and Optical Instruments

Related Questions

• A person can see clearly only upto a distance of 25 cm. He wants to read a book placed at a distance of 50 cm. What kind of lens does he require for his spectacles and what must be its power

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• What will be the height of image when an object of 2 mm is placed on the axis of a convex mirror at a distance 20 cm of radius of curvature 40 cm

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• A small object is placed 10 cm infront of a plane mirror. If you stand behind the object 30 cm from the mirror and look at its image, the distance focused for your eye will be

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• When a glass prism of refracting angle $60^o$ is immersed in a liquid its angle of minimum deviation is $30^o$. The critical angle of glass with respect to the liquid medium is

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• A prism of refractive index $\sqrt{2}$ has a refracting angle of $60^o$. At what angle a ray must be incident on it so that it suffers a minimum deviation

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