A beam of red laser light ( = 633nm) hits a black wall and is fully absorbed.

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A beam of red laser light (λ = 633nm) hits a black wall and is fully absorbed. If this light exerts a total force F = 5.5nN on the wall, how many photons per second are hitting the wall?

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Physics Principles with Applications

ISBN: 978-0321762429

7th edition

Authors: Douglas C. Giancoli

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Question Posted: Aug 17, 2010 04:52 AM

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A beam of red laser light ( = 633nm) hits a black wall and is fully absorbed.

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The impulse on the wall is du...View the full answer

Physics Principles with Applications

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