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Wave Optics — JEE physics STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceJEE physicsWave Optics1 Mark
MCQ
light wave is travelling along y-direction. If the corresponding $\vec{E}$ vector at any time is along the $x$-axis, the direction of $\vec{B}$ vector at that time is along
Image
  • A
    $y$-axis
  • B
    $x$-axis
  • C
    $+z$-axis
  • ✓
    $-z$ axis
✓

Answer

Correct option: D.
$-z$ axis
Direction of wave propagation is given by $\vec{E} \times \vec{B}$.

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