Ray Optics and Optical Instruments

Related Questions

• In a thin prism of glass (refractive index 1.5), which of the following relations between the angle of minimum deviations ${{\delta }_{m}}$ and angle of refraction $r$ will be correct

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• To increase both the resolving power and magnifying power of a telescope

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• A lens of refractive index $n$ is put in a liquid of refractive index $n'$ of focal length of lens in air is $f$, its focal length in liquid will be

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• If the focal length of the objective lens is increased then

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• A ray of light propagates from glass (refractive index = 3/2) to water (refractive index = 4/3). The value of the critical angle

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