PSEB-RAY OPTICS AND OPTICAL INSTRUMENTS-EXERCISE
- Figure 9.35 shows a cross-section of a glass fibre of refractive inde...
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- Answer the following questions: You have learnt that plane and convex ...
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- Answer the following questions: A virtual image, we always say, canno...
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- Answer the following questions: A diver under water, looks obliquely ...
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- Answer the following questions: Does the apparent depth of a tank of ...
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- Answer the following questions: The refractive index of diamond is mu...
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- The image of a small electric bulb fixed on the wall of a room is to b...
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- A screen is placed 90cm from an object. The image of the object on the...
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- Determine the ‘effective focal length’ of the combination of the two l...
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- Two lenses convex lens of focal length 30 cm in contact with a concave...
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- At what angle should a ray of light be incident on the face of a prism...
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- You are given prisms made of crown glass and flint glass with a wide v...
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- You are given prisms made of crown glass and flint glass with a wide v...
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- For a normal eye, the far point is at infinity and the near point of d...
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- Does short-sightedness (myopia) or long-sightedness (hyper metropia) i...
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- A myopic person has been using spectacles of power -1.0D for distant v...
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- A person looking at a person wearing a shirt with a pattern comprising...
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- A man with normal near point (25 cm) reads a book with small print usi...
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- A man with normal near point (25 cm) reads a book with small print usi...
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- A card sheet divided into squares each of size 1 mm^2 is being viewed ...
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