A helium-neon laser emits red light at wavelength = 633 nm in a beam of diameter 3.5

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A helium-neon laser emits red light at wavelength λ = 633 nm in a beam of diameter 3.5 mm and at an energy-emission rate of 5.0mW. A detector in the beam's path totally absorbs the beam. At what rate per unit area does the detector absorb photons?

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Probability & Statistics For Engineers & Scientists

ISBN: 9780130415295

7th Edition

Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying

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Question Posted: Feb 05, 2011 03:18 AM

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A helium-neon laser emits red light at wavelength = 633 nm in a beam of diameter 3.5

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We denote the diameter of the laser beam as ...View the full answer

Probability & Statistics For Engineers & Scientists

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