A converging lens has a focal length of 50 cm. The power of this lens is *
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Explanation:
Power of the lens is the reciprocal of the focal length of the lens. Hence, the power of the lens be - 2 dipotre.
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Answer. Power of the lens is the reciprocal of the focal length of the lens. Hence, the power of the lens be - 2 dipotre.
The focal length of a converging lens (convex lens) is the distance from the optical center of the lens to the focus of the lens.
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