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Long-sightedness can be corrected by usi...

Long-sightedness can be corrected by using __lens A. cylindrical B. concave C. diverging D. converging

A

A. cylindrical

B

B. concave

C

C. diverging

D

D. converging

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CHETANA PUBLICATION-LENSES-Exercise
  1. If an object is placed between F1 and 2F1 of a convex lens, then natur...

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  2. In myopia,objects can be seen clearly. A. distant B. Nearby C. small...

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  3. Long-sightedness can be corrected by using lens A. cylindrical B. con...

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  4. Convex lens of power +5 D and concave lens with power -3D are placed t...

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  5. In simple microscope, lens is used

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  6. The perception of dim light is concerned with cells. A. rod B. cone ...

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  7. The second focal point is located at

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  8. If the incident ray passes through focus, then the refracted ray isto ...

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  9. To obtain an image of the same size as the object with the help of a c...

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  10. At what distance should a watchmaker hold his lens from the watch? A. ...

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  11. When we enter a dark room, pupil of our eye .

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  12. Find the odd word out: Cornea, iris, pupil, cerebrum

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  13. Find odd word out: Spectacle, microscope, torch, camera

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  14. Find the odd word out: Long-sightedness, myopia, short sightedness, ne...

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  15. Find the odd word out :Presbyopia, night blindness, myopia, hypermetro...

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  16. Find odd word out: Spectacle, microscope, torch, camera

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  17. Convex lens: converging:: Concave lens:.

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  18. Object at 2F1: image at 2F2:: object at F1:.

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  19. Complete the analogy : Myopia: Concave lens:: Farsightedness:

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  20. Concave lens:Negative focal length:: Convex lens:.

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