A plane electromagnetic wave propagates along the +x direction in free space. The components of the electric field, E and magnetic field, B vectors associated with the wave in Cartesian frame are

Correct answer: B. E_y, ~B_z Direction of propagation = E × B

JEE Main 202529 JanuaryEvening Shift

Exam: JEE Main
Year: 2025
Date: 29 January
Shift: Evening Shift
Subject: Physics
Chapter: Electromagnetic Waves

JEE Main 2025 · 29 January · Evening Shift · Physics · Electromagnetic Waves

A plane electromagnetic wave propagates along the +x direction in...

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 plane electromagnetic wave propagates along the +x direction in free space. The components of the electric field, E

A plane electromagnetic wave propagates along the +x direction in free space. The components of the electric field, E

Options

A $\mathrm{E}_x, \mathrm{~B}_y$
B $\mathrm{E}_y, \mathrm{~B}_z$
C $\mathrm{E}_z, \mathrm{~B}_y$
D $\mathrm{E}_y, \mathrm{~B}_x$

Correct answer

B. $\mathrm{E}_y, \mathrm{~B}_z$

Step-by-step solution

Direction of propagation

=\overrightarrow{\mathrm{E}} \times \overrightarrow{\mathrm{B}}

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