Ray Optics and Optical Instruments

Related Questions

• How much water should be filled in a container 21 cm in height, so that it appears half filled when viewed from the top of the container (given that $_{a}{{\mu }_{\omega }}=4/3$)

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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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• An astronomical telescope has an angular magnification of magnitude 5 for distant objects. The separation between the objective and the eye piece is 36 cm and the final image is formed at infinity. The focal length $f_o$ of the objective and the focal length $f_e$ of the eye piece are

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• A concave mirror of focal length 15 cm forms an image having twice the linear dimensions of the object. The position of the object when the image is virtual will be

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• A double convex thin lens made of glass of refractive index 1.6 has radii of curvature 15 cm each. The focal length of this lens when immersed in a liquid of refractive index 1.63 is

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