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An electromagnetic wave is traveling in a vacuum. The magnetic field is given by:
B(z.t)=(1.00x10^-8 T) cos (kz-6.30x10^-8 t) i
a) Find the frequency of the wave.
b) Find the wavelength
c) What is the direction of propagation of this wave?
d) What is the wave number of the wave (k)?
e) Find the electric field vector E(z,t)

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