lenses of 1 diopter and 2 diopter are in close combination their combination power will be:
= > 1 diopter
= > 1.5 diopter
= > 2 diopter
= > 3 diopter
If anybody know the answer please explain it
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Answer:
MKMKMMKM
Explanation:
KKMNNMMNMM
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