Choose the correct answer from the alternatives given in the brackets. The defect myopia can be corrected by using a .............. (Convex lens, Concave lens, Concave mirror, Convex mirror)
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Solution
A person with myopia can see nearby objects clearly but cannot see distant objects distinctly. A person with this defect has the far point nearer than infinity. Such a person may see clearly upto a distance of a few metres. In a myopic eye, the image of a distant object is formed in front of the retina. This defect can be corrected by using concave lens with suitable power.