NEET2021Physics-Electromagnetic Waves
NEET 2021 Physics Wave Propagation MCQ Question
Type: MCQ-conceptual-Medium-Class 12
For a plane electromagnetic wave propagating in x-direction, which one of the following combination gives the correct possible directions for electric field (E) and magnetic field (B) respectively?
A
j^ + k^, j^ + k^
B
j^ + k^, -j^ - k^
C
j^ + k^, -j^ + k^
D
-j^ + k^, j^ + k^
Correct Answer
Option B
Detailed Explanation
In electromagnetic waves, E, B, and the direction of propagation are mutually perpendicular. Use the right-hand rule to determine the correct directions.
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