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Three lenses having power 2, 2.5 and 1.7 D are kept touching in a row. What is the total power of the lens combination?

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Three lenses having power 2, 2.5 and 1.7 D are kept touching in a row. What is the total power of the lens combination?

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asked Oct 9, 2021 in Chapter 7: Lenses by Doubtly (98.9k points)

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