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In simple microscope, lens is used...

In simple microscope, ______lens is used

A

concave

B

cylindrical

C

Diverging

D

Convex

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CHETANA PUBLICATION-LENSES-Exercise
  1. Long-sightedness can be corrected by using lens A. cylindrical B. con...

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

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  3. In simple microscope, lens is used

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

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  5. The second focal point is located at

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

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

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

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

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

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

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

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

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

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  15. Convex lens: converging:: Concave lens:.

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

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

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

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  19. Complete the analogy : Rod cells: Sensitive to dim light:: cone cells...

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  20. Complete the analogy : Near point : 25 cm:: Far point.

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