Directions of E, B and propagation of an EM wave

1. A.
   $E_{y},B_{y}$ or $E_{z},B_{z}$
2. B.
   $E_{y},B_{x}$ or $E_{x},B_{y}$
3. C.
   $E_{x},B_{z}$ or $E_{z},B_{x}$
4. D.
   $E_{x},B_{y}$ or $E_{y},B_{x}$

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1. A.
   Negative direction of $y$
2. B.
   Positive direction of $z$
3. C.
   Positive direction of $x$
4. D.
   Negative direction of $x$

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1. A.
   at $45^{\circ}$ angle from positive $y$-axis
2. B.
   negative y-axis
3. C.
   positive z-axis
4. D.
   positive y-axis

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1. A.
   $E_{y},B_{x}$
2. B.
   $E_{y},B_{z}$
3. C.
   $E_{x},B_{y}$
4. D.
   $E_{z},B_{y}$

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