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The second focal point is located at...

The second focal point is located at______

A

A. retina

B

B. optic nerve

C

C. cornea

D

D. Pupil

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CHETANA PUBLICATION-LENSES-Exercise
  1. In simple microscope, lens is used

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

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  3. The second focal point is located at

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

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

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

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

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

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

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

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

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

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  13. Convex lens: converging:: Concave lens:.

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

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

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

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

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

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  19. True/False: A lens is an opaque object.

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  20. True/False : Myopia can be corrected by using a spectacle of concave l...

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