1.

A lens has a power of +3 diopters in air. What will be the power of the lens if it is completely immersed in water? Given, μg = \(\frac {3}{2}\) and μw = \(\frac {4}{3}\).

A. 5 D
B. 3 D
C. 1 D
D. \(\frac {3}{4}\) D
Answer» D.


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