The electric field of an electromagnetic wave in a vacuum
Chapter 25, Problem 25P(choose chapter or problem)
Problem 25P
The electric field of an electromagnetic wave in a vacuum is Ey = (20 V/m)sin((6.28 × 108)x − 2πft), where x is in m and t is in s. What are the wave’s (a) wavelength, (b) frequency, and (c) magnetic field amplitude?
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