PRACTICE EXAMPLES 14. The electric field below is based on a helium - neon laser that emits sinusoidal waves into vacuum . _. v E = (1.80x10'3 Solve for The wavelength (in meters), wave. Determine the direction of - At the origin and t = 0, what is the direction of the magnetic field of this light Explain. +X, x, +y, y, +2, and z). m frequency (in hertz), :ravel of this wave m (choose between +x, X, +y, ) oos[(9.929 x 106132 + (2.98 x 105%\" j. YI +2, amplitude of the magnetic field of this light and z). Explain. (choose between