**Problem 99.**A) How is a good single-lens camera (one that can be “focused”) able to take clear pictures of objects that are a variety of distances from the camera?B) How is the eye able to place clear images on the retina of objects that are a variety of distances from the eye?C) For a fixed focus camera to take clear pictures, the object distance must satisfy a certain inequality. What is this inequality?D) Why does the nearpoint increase as people age?

A)A good camera can easily take the picture of the object that is placed at some distance by…

Answered: Problem 99. A) How is a good…

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