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Answer the following questions: The ref...

Answer the following questions: The refractive index of diamond is much greater than that of ordinary glass. Is this fact of some use to a diamond cutter?

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PSEB-RAY OPTICS AND OPTICAL INSTRUMENTS-EXERCISE
  1. Answer the following questions: A diver under water, looks obliquely ...

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  2. Answer the following questions: Does the apparent depth of a tank of ...

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  3. Answer the following questions: The refractive index of diamond is mu...

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  4. The image of a small electric bulb fixed on the wall of a room is to b...

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  5. A screen is placed 90cm from an object. The image of the object on the...

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  6. Determine the ‘effective focal length’ of the combination of the two l...

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  7. Two lenses convex lens of focal length 30 cm in contact with a concave...

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  8. At what angle should a ray of light be incident on the face of a prism...

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  9. You are given prisms made of crown glass and flint glass with a wide v...

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  10. You are given prisms made of crown glass and flint glass with a wide v...

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  11. For a normal eye, the far point is at infinity and the near point of d...

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  12. Does short-sightedness (myopia) or long-sightedness (hyper metropia) i...

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  13. A myopic person has been using spectacles of power -1.0D for distant v...

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  14. A person looking at a person wearing a shirt with a pattern comprising...

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  15. A man with normal near point (25 cm) reads a book with small print usi...

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  16. A man with normal near point (25 cm) reads a book with small print usi...

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  17. A card sheet divided into squares each of size 1 mm^2 is being viewed ...

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  18. A card sheet divided into squares each of size 1 mm^2 is being viewed...

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  19. A card sheet divided into squares each of size 1 mm^2 is being viewed...

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  20. At what distance should the converging lens of focal length 10 cm be h...

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