Ray Optics and Optical Instruments

Related Questions

• Spherical aberration in a lens

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• In a compound microscope, the focal lengths of two lenses are 1.5 cm and 6.25 cm an object is placed at 2 cm form objective and the final image is formed at 25 cm from eye lens. The distance between the two lenses is

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• The critical angle of a medium with respect to air is ${{45}^{o}}$. The refractive index of medium is

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• A concave lens of glass, refractive index $1.5$, has both surfaces of same radius of curvature R. On immersion in a medium of refractive index $1.75$, it will behave as a

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• An achromatic prism is made by combining two prisms ${{P}_{1}}({{\mu }_{v}}=1.523,\,{{\mu }_{r}}=1.515)$ and ${{P}_{2}}({{\mu }_{v}}=1.666,\,{{\mu }_{r}}=1.650)$; where $\mu $ represents the refractive index. If the angle of the prism ${{P}_{1}}$ is 10°, then the angle of the prism $P_2$ will be

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