Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-diagram based-Medium-Class 12
Consider a diagram showing a plane electromagnetic wave traveling along the x-direction. If the electric field E is along the y-axis at a particular point, which of the following directions is the magnetic field B most likely oriented?
A
Along the z-axis
B
Along the x-axis
C
Opposite to the y-axis
D
Along the y-axis
Correct Answer
Option A
Detailed Explanation
The magnetic field B in a plane electromagnetic wave is perpendicular to both the direction of wave propagation and the electric field. Since E is along the y-axis and the wave propagates along the x-axis, B is along the z-axis.
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