The electric field of an electromagnetic wave oscillates in the y direction and the Poynting vector is
Question:
The electric field of an electromagnetic wave oscillates in the y direction and the Poynting vector is given by
S(x , t) = (100 W / m2) cos2 [10x - (3 ×109)t]i
where x is in meters and t is in seconds.
(a) What is the direction of propagation of the wave?
(b) Find the wavelength and the frequency.
(c) Find the electric and magnetic fields.
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a The wave propagates in the positive x direction b 2 k 0...View the full answer
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ISBN: 978-0195134889
1st Edition
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