transfergiecek7066 transfergiecek7066

07-09-2017
Physics

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What is the focal length of the eye-lens system when viewing an object at infinity? assume that the lens-retina distance is 2.0 cm . follow the sign conventions?

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TheProfessor4zzzFM TheProfessor4zzzFM

07-09-2017

The focal length of the eye-lens system will be exactly 2.0 cm. The lens thickness is altered depending on the distance of the object being viewed so that the focal length is ALWAYS equal to the lens-retina distance. If this is not true fr an individual, they need glasses :)

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