Ray Optics and Optical Instruments

Related Questions

• An object of size $7.5cm$ is placed in front of a convex mirror of radius of curvature $25cm$ at a distance of $40cm.$The size of the image should be

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• Total internal reflection of a ray of light is possible when the (${{i}_{c}}$= critical angle, $i=$angle of incidence)

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• Wavelength of light used in an optical instrument are ${{\lambda }_{1}}=4000$Å and ${{\lambda }_{2}}=5000$Å, then ratio of their respective resolving power (corresponding to ${{\lambda }_{1}}$and ${{\lambda }_{2}})$is

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• The human eye has a lens which has a

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• What should be the angle between two plane mirrors so that whatever be the angle of incidence, the incident ray and the reflected ray from the two mirrors be parallel to each other

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