Ray Optics and Optical Instruments

Related Questions

• If the refractive index of a material of equilateral prism is $\sqrt{3}$, then angle of minimum deviation of the prism is

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• Three prisms 1, 2 and 3 have the prism angle $A = 60^o$, but their refractive indices are respectively 1.4, 1.5 and 1.6. If $\delta _1, \delta _2, \delta _3$ be their respective angles of deviation then

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• The resolving power of a telescope depends on

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• A fish looking up through the water sees the outside world contained in a circular horizon. If the refractive index of water is $\frac{4}{3}$ and the fish is $12 cm$ below the surface, the radius of this circle in cm is

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• A photograph of the moon was taken with telescope. Later on, it was found that a housefly was sitting on the objective lens of the telescope. In photograph

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