MCQ
A plane electromagnetic wave propagates along the $+x$ direction in free space. The components of the electric field, $\vec{E}$ and magnetic field, $\vec{B}$ vectors associated with the wave in Cartesian frame are :
- A$E _{ y }, B _{ x }$
- ✓$E _y, B_z$
- C$E _x, B_y$
- D$E _z, B_y$

