Electromagnetic radiation from a 4.95-mW laser is concentrated on a 0.95-mm2 area. Part (a) What is the intensity of the radiation falling on this surface, in watts per square meter? Part (b) Suppose the surface carries a 2.00-nC electric charge. What is the maximum magnitude of the electric force, in newtons, it experiences?
Electromagnetic radiation from a 4.95-mW laser is concentrated on a 0.95-mm2 area. Part (a) What is the intensity of the radiation falling on this surface, in watts per square meter? Part (b) Suppose the surface carries a 2.00-nC electric charge. What is the maximum magnitude of the electric force, in newtons, it experiences?
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter34: Maxwell’s Equations And Electromagnetic Waves
Section: Chapter Questions
Problem 72PQ
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Part (a) What is the intensity of the radiation falling on this surface, in watts per square meter?
Part (b) Suppose the surface carries a 2.00-nC electric charge. What is the maximum magnitude of the electric force, in newtons, it experiences?
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