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Name one defect of vision (or eye) which...

Name one defect of vision (or eye) which cannot be corrected by any type of spectacle lenses.

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Explore conceptually related problems

The defect of vision which cannot be corrected by using spectacles is :

Name any two defects of vision which can be corrected by using spectacles.

Name the defect of vision which can be corrected by a diverging lens. Show clearly by a ray diagram how the lens corrects the defect.

Name the defect of vision which can ne corrected by a converging lens. Show clearly by a ray diagram how the lens corrects the defect.

Name the defect of eye shown in the diagram.

LAKHMIR SINGH & MANJIT KAUR-THE HUMAN EYE AND THE COLOURFUL WORLD -Exercise
  1. What is the other name of old age hypermetropia ?

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  2. Name any two defects of vision which can be corrected by using spectac...

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  3. Name one defect of vision (or eye) which cannot be corrected by any ty...

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  4. What is the far point of a person suffering from hypermetropia (or sho...

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  5. Where is the near point of a person suffering from hypermetropia (or l...

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  6. A man can read the number of a distant bus clearly but he finds diffic...

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  7. A student sitting in the last row of the class-room is not able to rea...

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  8. Complete the following sentences : (a) A short-sighted person cannot...

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  9. What are the two most common defects of vision (or defects of eye) ? H...

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  10. Differentiate between myopia and hypermetropia. What type of spectacle...

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  11. Name the defect of vision which can ne corrected by a converging lens....

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  12. Name the defect of vision which can be corrected by a diverging lens. ...

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  13. Example with the help of labelled ray diagram, the defect of vision ca...

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  14. Explain with the help of labelled ray-diagram, the defect of vision ca...

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  15. A person suffering from the eye-defect myopia (short-sightedness) can ...

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  16. What is presbyopia ? Write two causes of this defect. Name the type of...

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  17. When is a person said to have developed cataract in his eye ? How is t...

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  18. Fill in the following blanks with suitable words : A person is short...

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  19. The human eye can focus objects at different distances by adjusting th...

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  20. The defect of vision which cannot be corrected by using spectacles is ...

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