power of Concave lens used for correcting Myopia is F=-x describe
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Myopia or short sightedness which is a defect of eye in which the person is unable to see the objects far away
To correct it a concave lens in order to increase the focal length
Therefore the focal length of a concave lens is -ve
So F=-X
To correct it a concave lens in order to increase the focal length
Therefore the focal length of a concave lens is -ve
So F=-X
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