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A sinusoidal electromagnetic plane wave is traveling in the +y direction under water, with an index...

A sinusoidal electromagnetic plane wave is traveling in the +y direction under water, with an index of refraction n = 1.33. The wave is polarized along the z-axis and has a vacuum wavelength of A_0 = 500nm.

A. What is the phase velocity of the wavefront in water?

B. What is the wavenumber of the electromagnetic wave in water?

C. What is the linear frequency of the electromagnetic wave in water?

D. If the electric field amplitude is 31.0 V/m, then what is the magnetic field amplitude in water?

E. Along what axes does the magnetic field oscillate?

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