The intensity of a cylindrical laser beam is 0.800 W/m2. The cross-sectional area of the beam is

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The intensity of a cylindrical laser beam is 0.800 W/m2. The cross-sectional area of the beam is 3.0 x 10-4 m2 and the intensity is uniform across the cross section of the beam.
(a) What is the average power output of the laser?
(b) What is the rms value of the electric field in the beam?
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Vector Mechanics for Engineers Statics and Dynamics

ISBN: 978-0073212227

8th Edition

Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell

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