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The term "accommodation" as applied to t...

The term "accommodation" as applied to the eye, refers to its ability to :

A

control the light intensity falling on the retina

B

erect the inverted image formed on the retina

C

vary the focal length of the lens

D

vary the distance between the lens and retina

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The correct Answer is:
C
NA
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LAKHMIR SINGH & MANJIT KAUR-THE HUMAN EYE AND THE COLOURFUL WORLD -Exercise
  1. Refraction of light in the eye occurs at :

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  2. To focus the image of a nearby object on the retina of an eye :

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  3. The term "accommodation" as applied to the eye, refers to its ability ...

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  4. Which of the following controls the amount of light entering the eye ?

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  5. The human eye possesses the power of accommodation. This is the power ...

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  6. How does the eye change in order to focus on near or distant objects ?

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  7. Which of the following changes occur when you walk out of bright sunsh...

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  8. The size of the pupil of the eye is adjusted by :

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  9. What shape are your eye-lenses : (a) when you look at your hand ? ...

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  10. Suggest how your irises help to protect the retinas of your eyes from ...

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  11. (a) Which parts of the eye cause rays of light to converge on the reti...

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  12. An object is moved closer to an eye. What changes must take place in t...

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  13. Why does the eye-lens not have to do all the work of converging incomi...

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  14. Name one of the common defects of vision and the type of lens used to ...

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  15. Name the defect of vision in a person : (a) whose near point is more...

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  16. Which defect of vision can be rectified : (a) by using a concave len...

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  17. What type of lens is used to correct (a) hypermetropia (b) myopia ?

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  18. What is the other name of (a) myopia (b) hypermetropia ?

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  19. What is the scientific name of (a) short-sightedness, and (b) long-sig...

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  20. What kind of lens is used to correct (a) short-sightedness (b) long-s...

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