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diagram.3. What is short sightedness ? State the two causes of short-sightedness. Withthe help of ray diagrams, show(a) the eye defect short sightedness.(b) correction of short sightedness by using a lens. |
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Answer» Ans :- Short Sightedness is also called as Myopia .Person having this eye defect can see the near by object clearly but finds difficulty in seeing far things .For myopia eye the image is formed in front of retina.Reasons for this eye defect : 1. Elongated eye ball2. Decrease in focal length of eye lens. Correction :Concave lens is suggested to correct the eye defect. |
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