Q. Light wave is travelling along $y$-direction. If the corresponding $\overrightarrow{E}$ vector at any time is along the x-axis, the direction of $\overrightarrow{B}$ vector at that time is along
A) $y$-axis
B) $x$-axis
C) $+ z$-axis
D) $- z$-axis
Explanation
(d) Direction of wave propagation is given by $\overrightarrow{E} \times \overrightarrow{B}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.