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Chapter 26: Q2PE (page 956)
Unless otherwise stated, the lens-to-retina distance is 2.00 cm.
Calculate the power of the eye when viewing an object 3.00 maway.
The power of the eye when viewing an object 3.00 m away is, P = +50.34 D.
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Find the distance between the objective and eyepiece lenses in the telescope in the above problem needed to produce a final image very far from the observer, where vision is most relaxed. Note that a telescope is normally used to view very distant objects.
A pure red object on a black background seems to disappear when illuminated with pure green light. Explain why.
What is the angular magnification of a telescope that has a100cm focal length objective and a2.50cm focal length eyepiece?
A young woman with normal distant vision has a 10.0% ability to accommodate (that is, increase) the power of her eyes. What is the closest object she can see clearly?
It has become common to replace the cataract-clouded lens of the eye with an internal lens. This intraocular lens can be chosen so that the person has perfect distant vision. Will the person be able to read without glasses? If the person was near-sighted, is the power of the intraocular lens greater or less than the removed lens?
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