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A lens has a power of +-5 diopeters in a...

A lens has a power of `+-5` diopeters in air. What will be its power if completely immersed in water? `(._amu_(w)=4//3 and _amu_(g)=3//2)`

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To find the power of a lens when it is immersed in water, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Power of the Lens in Air**: The power \( P \) of a lens is given by the formula: \[ P = \frac{1}{F} ...
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