k = 2π/λ = 2π/432 × 10-9 = 1.45 × 107 rad/m
1/λ = k/2π
ω = 2πf = 2π(c/λ) = 2π(ck/2π) = ck = 3.0 × 108 × 1.45 × 107 = 4.35 × 1015 rad/s
A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.25 μT and a wavelength of 432 nm is traveling in the +-direction through empty space.
Write the equations for the electric and magnetic fields as functions of x and t in the form of Eqs. (32.17).
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