3lenses of powers 2D, -0.25D, 1.75D are placed in contact. Calculate the net power of the arrangement. Will it produce a converging or a diverging effect? Will the net power change if the order of lens placement is changed?
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Explanation:
NET POWER IS =2D-0.25D+1.75D
=3.5D
IT WILL PRODUCE A CONVERGING LENS .
NO IT WILL NOT CHANGE.
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