A certain type of film requires an exposure time of 0.010 s with an f/11 lens setting.

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A certain type of film requires an exposure time of 0.010 s with an f/11 lens setting. Another type of film requires twice the light energy to produce the same level of exposure. What f -stop does the second type of film need with the 0.010-s exposure time?

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College Physics

ISBN: 978-0495113690

7th Edition

Authors: Raymond A. Serway, Jerry S. Faughn, Chris Vuille, Charles A. Bennett

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