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Amit's uncle was finding great difficulty in reading a book placed at normal position. He was not going to the doctor because he could not afford the cost. When Amit came to know of it, he took his uncle to the doctor, After thoroughly checking his eyes, the doctor prescribed the proper lenses for him. Amit bought the spectacles for his uncle from his pocket money. By using spectacles he should now read with great ease, For this, he expressed his gratitude to his nephew. Based on the above paragraph. Answer the following :(a) (i) Why does the least distance of distinct vision increase with age ? (ii) What type of lens is required to correct this defect ?(b) What, according to you, are the two values displayed by Amit towards his uncle ? |
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Answer» (a) (i) The least distance of distinct vision increases with age because of the increase in the minimum possible focal length of the eye lens or contraction of the eye ball. (ii) This defect can be corrected by placing a convex lens in front of the eye. (b) (i) Empathy : Helping and caring nature. (ii) Concern for his uncle. |
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