The wavelength of light emitted by a 3-mW He-Ne laser is 632 nm. If the diameter of

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The wavelength of light emitted by a 3-mW He-Ne laser is 632 nm. If the diameter of the laser beam is 1.0 mm, what is the density of photons in the beam?

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Fundamentals of Ethics for Scientists and Engineers

ISBN: 978-0195134889

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Authors: Edmund G. Seebauer, Robert L. Barry

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Question Posted: Jul 14, 2011 08:45 PM

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The wavelength of light emitted by a 3-mW He-Ne laser is 632 nm. If the diameter of

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Fundamentals of Ethics for Scientists and Engineers

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