32. Electromagnetic Waves
The Electromagnetic Spectrum
6:54 minutes
Problem 31.33
Textbook Question
Textbook Question(II) A high-energy pulsed laser emits a 1.0-ns-long pulse of average power 1.5 x 10¹¹ W. The beam is nearly a cylinder 1.8 x 10⁻³ m in radius. Determine (a) the energy delivered in each pulse, and (b) the rms value of the electric field.
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