Ray Optics and Optical Instruments

Related Questions

• When light travels from glass to air, the incident angle is ${{\theta }_{1}}$ and the refracted angle is ${{\theta }_{2}}$. The true relation is

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• Image formed on retina of eye is proportional to

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• A plano convex lens $(f=20cm)$is silvered at plane surface. Now $f$ will be

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• A parallel beam of white light falls on a convex lens. Images of blue, yellow and red light are formed on other side of the lens at a distance of 0.20 m, 0.205 m and 0.214 m respectively. The dispersive power of the material of the lens will be

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• The optical path of a monochromatic light is same if it goes through 4.0 cm of glass or 4.5 cm of water. If the refractive index of glass is 1.53, the refractive index of the water is

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