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A student sitting in the last row of the...

A student sitting in the last row of the class-room is not able to read clearly the writing on the blackboard.
(a) Name the type of defect he is suffering from.
(b) How can this defect by corrected ?

Text Solution

Verified by Experts

The correct Answer is:
(a) Myopia (Short-sightedness) (b) Concave lens
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LAKHMIR SINGH & MANJIT KAUR-THE HUMAN EYE AND THE COLOURFUL WORLD -Exercise
  1. Where is the near point of a person suffering from hypermetropia (or l...

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  17. A person cannot see the distant objects clearly (though he can see the...

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  18. Though a woman can see the distant objects clearly, she cannot see the...

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  19. A young man has to hold a book at arm's length to be able to read it c...

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  20. After testing the eye of a child, the optician has prescribed the foll...

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