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ALLEN -GEOMETRICAL OPTICS-EXERCISE-05 (A)
- If two mirrors are kept at 60^@ to each other, then the number of imag...
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- Wavelength of light used in an optical instrument are lambda(1) = 4000...
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- Which of the following is used in optical fibres ?
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- Large aperture of telescope are used for
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- The image formed by an objective of a telescope is-
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- To get three images of a single object, one should have two plane mirr...
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- A light ray is incident perpendicular to one face of a 90^@ prism and ...
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- A plano convex lens of refractive index 1.5 and radius of curvature 30...
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- A fish looking up through the water sees the outside world, contained ...
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- Two point white dots are 1 mm apart on a black paper. They are viewed ...
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- A thin glass (refractive index 1.5) lens has optical power of - 5D in ...
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- The refractive index of glass is 1.520 for red light and 1.525 for blu...
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- Two lenses of power - 15D and + 5D are in contact with each other. The...
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- A student measures the focal length of a convex lens by putting an obj...
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- The refractive index of transparent cylindrical rod is (2)/(root3) . A...
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- Let the x-z plane be the boundary between two transparent media. Mediu...
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- A car is fitted with a convex side-view mirror of focal length 20 cm. ...
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- When monochromatic red light is used instead of blue light in a convex...
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- A beaker contains water up to a height h(1) and kerosene of height h(2...
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- An object 2.4 m in front of a lens forms a sharp image on a film 12 cm...
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