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CHETANA PUBLICATION-LENSES-Exercise
- If the incident ray passes through focus, then the refracted ray isto ...
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- The image is formed on theof the human eye. A. cornea B. Retina C. p...
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- If an object is placed between F1 and 2F1 of a convex lens, then natur...
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- In myopia,objects can be seen clearly. A. distant B. Nearby C. small...
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- Long-sightedness can be corrected by using lens A. cylindrical B. con...
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- Convex lens of power +5 D and concave lens with power -3D are placed t...
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- In simple microscope, lens is used
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- The perception of dim light is concerned with cells. A. rod B. cone ...
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- The second focal point is located at
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- If the incident ray passes through focus, then the refracted ray isto ...
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- To obtain an image of the same size as the object with the help of a c...
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- At what distance should a watchmaker hold his lens from the watch? A. ...
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- When we enter a dark room, pupil of our eye .
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- Find the odd word out: Cornea, iris, pupil, cerebrum
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- Find odd word out: Spectacle, microscope, torch, camera
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- Find the odd word out: Long-sightedness, myopia, short sightedness, ne...
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- Find the odd word out :Presbyopia, night blindness, myopia, hypermetro...
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- Find odd word out: Spectacle, microscope, torch, camera
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- Convex lens: converging:: Concave lens:.
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- Object at 2F1: image at 2F2:: object at F1:.
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