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Question
For the myopic eye, the defect is cured by using:
For the myopic eye, the defect is cured by using:
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Solution
The correct option is B Concave
lens
For myopia, u=−∞ and v=−D, the distance of the far point.
By using, 1f=1v−1u,we get f=−D
Since f is negative, the lens used is concave.
Concave lens
For myopia, u=−∞ and v=−D, the distance of the far point.
By using, 1f=1v−1u,we get f=−D
Since f is negative, the lens used is concave.
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