A plane electromagnetic wave propagates in a vacuum in the z-direction. The wave has a wavelength of 10 m and the electric field is along the +x direction and has an amplitude of is 0.20 V/m, with one maximum at x = 0 and t = 0
What is the mathematical expression for the magnetic field? A)
By = 0.067 × 10-8sin[(0.63 m-1)z - (2.1 × 10-9 s-1)t] T
B)
By = 0.067 × 10-8sin[(0.63 m-1)z + (2.1 × 10-9 s-1)t] T
C)
By = 0.067 × 10-8cos[(0.63 m-1)z + (1.9 × 108 s-1)t] T
D)
By = 0.067 × 10-8cos[(10 m-1)z - (2.1 × 10-9 s-1)t] T
E)
By = 0.067 × 10-8cos[(0.63 m-1)z - (1.9 × 10-8 s-1)t] T
E
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