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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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
Transcribed Image Text:The photoelectric effect is when light knocks electrons off the surface of a material. If
you're shinning light on a surface and electrons are being knocked off, what could you
change about the light so that it would stop knocking electron off?
O Reduce the frequency of the light.
O Increase the amplitude/intensity of the light.
O Increase the frequency of the light.
O Reduce thc wavelength of the light.
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