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The cylindrical beam of a 14.9-mW laser is 0.890 cm in diameter. What is the rms value of the electric field?

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter24: Electromagnetic Waves

Section: Chapter Questions

Problem 33P

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The cylindrical beam of a 14.9-mW laser is 0.890 cm in diameter. What is the rms value of the electric field?

____V/m

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