JEE Main 2026 — Electromagnetic Waves Question with Solution
JEE Main 2026 (21 January Shift 1)
Question
The electric field in a plane electromagnetic wave is given by :
.
The expression for magnetic field associated with this electromagnetic wave is T.
.
The expression for magnetic field associated with this electromagnetic wave is T.
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
Given V/m
Wave propagates along +x (form ), is along y.
For EM wave: = direction of propagation
, so is along z-direction.
T
E and B are in phase for plane EM wave.
T
Wave propagates along +x (form ), is along y.
For EM wave: = direction of propagation
, so is along z-direction.
T
E and B are in phase for plane EM wave.
T
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