The power of a combination of two lenses in contact is + 1.0 D. If the focal length of one of the lenses of the combination is + 200 cm, the focal length of the other lens would be (a) - 120.0 cm (b) + 80-0 cm (c) - 25-0 cm (d) - 200 cm
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Answer:
c is the answer
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Answer:
d ) -20 cm is the answer
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