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    • Question

      Personssufferingfrommyopiaare advised to use –

      A convex lens Correct Answer Incorrect Answer
      B concave lens Correct Answer Incorrect Answer
      C piano-convex lens Correct Answer Incorrect Answer
      D plano-concave lens Correct Answer Incorrect Answer

      Solution

      A concave lens is used to correct short-sightedness (myopia). In myopia, images are formed in front of the retina, resulting in a blurred image. This occurs when the eye is relativelytoolongortherefractivepowersofthe cornea and lens of the eye are relatively too strong.

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