a doctor has prescribed Cooperative lens for power + 1.5 D find the focal length of the lens it it the prescribed lens driving or converging
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Converginh
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Since the power is positive therefore it is a convex lens that is converging
Focal length is always reciprocal of power so focal length is 0.67 m
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Focal length is always reciprocal of power so focal length is 0.67 m
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It is a converging lens because it is a convex lens. focal length is 0.67m
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