Ray Optics and Optical Instruments

Related Questions

• Critical angle is that angle of incidence in the denser medium for which the angle of refraction in rarer medium is

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• A microscope is focussed on a coin lying at the bottom of a beaker. The microscope is now raised up by $1$ cm. To what depth should the water be poured into the beaker so that coin is again in focus ? (Refractive index of water is $\frac{4}{3}$) [BHU 2003]

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• When seen in green light, the saffron and green portions of our National Flag will appear to be

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• Ability of the eye to see objects at all distances is called

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• The distance travelled by light in glass (refractive index =1.5) in a nanosecond will be

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