A 27 mW laser beam has a cross-sectional area of 10 mm2. The magnitude of the maximum electric field in this electromagnetic wave is given by [Take, permittivity of space, ɛ, = 9 x 1012 Sl units and speed of light, c = 3 x 108 m/s]

University Physics Volume 2
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Chapter16: Electromagnetic Waves
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Problem 83P: A radio transmitter broadcasts plane electromagnetic waves whose maximum electric field at a...
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A 27 mW laser beam has a cross-sectional
area of 10 mm2. The magnitude of the
maximum electric field in this electromagnetic
wave is given by [Take, permittivity of space,
ɛ, = 9 x 1012 SI units and speed of light, c = 3
x 108 m/s]
%3D
Transcribed Image Text:A 27 mW laser beam has a cross-sectional area of 10 mm2. The magnitude of the maximum electric field in this electromagnetic wave is given by [Take, permittivity of space, ɛ, = 9 x 1012 SI units and speed of light, c = 3 x 108 m/s] %3D
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