Light wave is travelling along y -direction. If the corresponding E vector at any time is along the x -axis, the direction of B vector at that time is along :

Question

Light wave is travelling along y -direction. If the corresponding E vector at any time is along the x -axis, the direction of B vector at that time is along : (A)  y -axis (B)  x -axis (C)  +z -axis (D)  − z -axis

Tardigrade Admin · Accepted Answer

The given wave is an electromagnetic wave. Electromagnetic radiation is a self propagating wave in space with electric and magnetic components. These components oscillate at right angles to each other and to the direction of propagation. <img class="img-fluid question-image" alt="image" src="https://cdn.tardigrade.in/img/question/physics/3c57eb6070b540dc6cd17c9ee7617e04-.png" /> Hence, vec B is along the z -axis at that time

Q. Light wave is travelling along $y$ -direction. If the corresponding $E$ vector at any time is along the $x$ -axis, the direction of $B$ vector at that time is along :

$y$ -axis

$x$ -axis

$+ z$ -axis

$- z$ -axis

The given wave is an electromagnetic wave. Electromagnetic radiation is a self propagating wave in space with electric and magnetic components. These components oscillate at right angles to each other and to the direction of propagation.

Hence, $B$ is along the $z$ -axis at that time

Q. Light wave is travelling along y -direction. If the corresponding E vector at any time is along the x -axis, the direction of B vector at that time is along :

y -axis

x -axis

+z -axis

−z -axis