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Question
Give Reason:
When you enter into a dark room from bright because of sunlight, you can not see things for a few seconds.
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Solution
In bright light the visual purple or rhodopsin pigment is destroyed and the diameter of the pupil is reduced to allow the entry of less light.
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Which defect of vision can be rectified:
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Nearsightedness : concave lens : : farsightedness : _______
Match the following:
| Column - I | Column - II |
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| 3. Ciliary muscles | c. near point moves away |
| 4. Myopia | d. Screen of the eye |
| 5. Hypermetropia | e. Power of accommodation |
