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Problem
Problem
A plane electromagnetic wave propagating along
x
x
x
-direction can have the following pairs of
E
and
B
a.
E
x
,
B
y
E_x, B_y
E
x
,
B
y
b.
E
y
,
B
z
E_y, B_z
E
y
,
B
z
c.
B
x
,
E
y
B_x, E_y
B
x
,
E
y
d.
E
z
,
B
y
E_z, B_y
E
z
,
B
y
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