In Vacuum,the Components of an EM Wave Are E_y = $\omega$

question 16

Multiple Choice

In vacuum,the components of an EM wave are E_y = 50( V/m ) cos [(5.00 m^-1) x + $\omega$ t], E_x = 0, and E_z = 0.In what direction is this wave moving?

• A) positive x-direction
• B) negative x-direction
• C) positive y-direction
• D) negative y-direction
• E) positive or negative z-direction

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