An argon ion laser puts out 5.0 W of continuous power at a wavelength of 532 nm.

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An argon ion laser puts out 5.0 W of continuous power at a wavelength of 532 nm. The diameter of the laser beam is 5.5 mm. If the laser is pointed toward a pinhole with a diameter of 1.2 mm, how many photons travel through the pinhole per second?

Assume that the light intensity is equally distributed throughout the entire cross-sectional area of the beam. (1 W = 1 J/s)

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Chemistry A Molecular Approach

ISBN: 9780134874371

5th Edition

Authors: Nivaldo Tro

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Question Posted: Nov 16, 2023 06:50 AM

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An argon ion laser puts out 5.0 W of continuous power at a wavelength of 532 nm.

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Chemistry A Molecular Approach

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