For the electromagnetic wave propagating in the +z direction from problem #1, as

Question

For the electromagnetic wave propagating in the +z direction from problem #1, assume that the magnetic fields' directions are along the x-axis (positive values of B are along the positive x-axis and vice versa). What direction is the wave's electric fields? Explain how you determined your answer. For the typical x and y-axes shown, +z is out of the page. For the z = 0 location, sketch both the electric and magnetic field vectors for the indicated times. Draw the peak electric and magnetic field vectors to be two units long. Explain how you determined what to draw.

Explanation / Answer

for an electromagneic wave propagation if we assume magnetic field is in positive x-direction

then the electric field will be along positive y-direction and the direction of propagation will be

along  positive z-direction which is out of p[age

at z = 0 the electric and magnetic fields will be represented as follows with two vectors along two axes

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