) The Power of a lens is the dieoptor. what will be its focal length ?
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Answer:
Because the power of a lens is proportional to unity (one) divided by the focal length (see lens), the power of a lens in diopters is numerically equal to 1 m divided by the focal length in metres.
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Answer:
1m / Its focal length
Explanation:
Because the power of a lens is proportional to unity (one) divided by the focal length (see lens), the power of a lens in diopters is numerically equal to 1 m divided by the focal length in metres.
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