Laser Safety A 0.95 mW laser emits a narrow beam of light that enters the eye. d=5.0 um c. Damage to the retina can occur if the average intensity of light exceeds 1.0×10−2W/cm2. By what factor has the intensity of this laser beam exceeded the safe value?
Laser Safety A 0.95 mW laser emits a narrow beam of light that enters the eye. d=5.0 um c. Damage to the retina can occur if the average intensity of light exceeds 1.0×10−2W/cm2. By what factor has the intensity of this laser beam exceeded the safe value?
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter24: Electromagnetic Waves
Section: Chapter Questions
Problem 32PE: Assume the helium-neon lasers commonly used in student physics laboratories have power outputs of...
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Laser Safety A 0.95 mW laser emits a narrow beam of light that enters the eye. d=5.0 um
c. Damage to the retina can occur if the average intensity of light exceeds 1.0×10−2W/cm2. By what factor has the intensity of this laser beam exceeded the safe value?
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