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BINA LIBRARY-Optics-I-EXERCISE
- The distance of an object and its image from the focus of a concave mi...
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- An inverted image can be seen in a convex mirror
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- A concave mirror produces a virtual image when the object is
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- What is the speed of light in glass of refractive index 1.5 if the vel...
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- The refractive index of a medium is 1.8. A bubble lies in this medium ...
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- When light travels from glass to air, there is no change in its
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- The lateral shift produced in a parallel sided glass slab depends on
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- What is optical fibres? What principle is used in it?
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- The refractive index of an equilateral prism is 'sq.root 3' . What is ...
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- The minimum distance between an object and its real image is
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- Critical angle of light passing from glass to air is minimum for
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- The critical angle for a medium is 60°. Then the refractive index of t...
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- In which of the following cases total internal reflection can not be o...
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- The distance between the object and its real image formed by a convex ...
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- The focal length of a lens depends upon
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- A contact combination is made of a thin convex lens (f = 9 cm) and a t...
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- Two thin lenses of focal length 20 cm and 25 cm are placed in contact....
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- A lens behaves as a converging lens in air and a diverging lens in wat...
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- An eye has a defect of myopia if it does not see
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- For removal of hypermetropia, one should use
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