Universe
Universe
11th Edition
ISBN: 9781319039448
Author: Robert Geller, Roger Freedman, William J. Kaufmann
Publisher: W. H. Freeman
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Chapter 23, Problem 5Q
To determine

The name of the person who won the Shapley-Curtis debate and the way in which it was won.

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Suppose you have a converging lens with a focal length of 65 cm. You hold this lens 120 cm away from a candle. How far behind the lens should you place a notecard if you want to form a clear image of the candle, on the card? Give your answer as the number of centimeters.
Suppose you have a diverging lens with a focal length of - 25 cm. You look through this lens at a sleeping squirrel, and notice that it forms a virtual image of the squirrel with di = - 18 cm.  How far away from the lens is the squirrel? Give your answer as the number of centimeters (a positive number).
Diamond has an index of refraction of about 2.4.  Suppose you cut a diamond so it has a flat surface, and shine a laser pointer beam so that it makes a 27 degree angle with respect to the normal line to that surface. What angle will the laser beam make with respect to the normal after it passes through the air-diamond boundary and is inside the diamond? Give your answer as the number of degrees.
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