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Which type of lens has negative power ?...

Which type of lens has negative power ?

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To determine which type of lens has negative power, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Concept of Power of a Lens**: The power (P) of a lens is defined as the reciprocal of its focal length (f). Mathematically, this is expressed as: \[ P = \frac{1}{f} ...
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