Example of a Physlet-Based Optics Question 

Add:    Far Source     Near Source     Eye Glasses

Remove Active Element

Use the slider to simulate the eye's ability to accommodate.


a) Is the eye represented in the above applet normal, nearsighted or farsighted?

b) If the eye is near or far sighted, what power eyeglasses should be used for normal vision (can see far away objects with eyes relaxed, and also focus on an object at x=2.0).

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