e A typical laser used in introductory physics laboratories produces a continuous beam of light about 1.0 mmin diameter. The average power of such a laser is 0.75 mW. Whatare (a) the average intensity, (b) the peak intensity, and (c) theaverage energy density of this beam? (d) If the beam is reflectedfrom a mirror, what is the maximum force the laser beam canexert on it? (e) Describe the orientation of the laser beam relativeto the mirror for the case of maximum force

University Physics Volume 1
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Chapter16: Waves
Section: Chapter Questions
Problem 134AP: (a) What is the intensity of a laser beam used to burn away cancerous tissue that, when 90.0%...
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e A typical laser used in introductory physics laboratories produces a continuous beam of light about 1.0 mm
in diameter. The average power of such a laser is 0.75 mW. What
are (a) the average intensity, (b) the peak intensity, and (c) the
average energy density of this beam? (d) If the beam is reflected
from a mirror, what is the maximum force the laser beam can
exert on it? (e) Describe the orientation of the laser beam relative
to the mirror for the case of maximum force

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