Q 12-08-091JEE MainJEE Main 2023 (13 Apr, Shift 2)Easy
In an electromagnetic wave, at an instant and at a particular position, the electric field is along the negative $z$-axis and magnetic field is along the positive $x$-axis. Then the direction of propagation of electromagnetic wave is
Answer: (D) negative $y$-axis
Propagation is along $\vec E\times\vec B=(-\hat k)\times\hat i=-\hat j$: the negative $y$-axis.
Solution by Sreeraj P, M.Sc Physics