Thin Lens And Lens Maker Equations Video Lessons

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Problem: How far from a piece of paper must you hold your father's 2.25 D reading glasses to try to burn a hole in the paper with sunlight? (Answer in cm)

FREE Expert Solution

Power of a lens:

P=1f, where f is the focal length of the lens.

The paper should be at the focus of the lens.

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Problem Details

How far from a piece of paper must you hold your father's 2.25 D reading glasses to try to burn a hole in the paper with sunlight? (Answer in cm)

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