STANDARD Physics Wave Propagation Direction MCQ Question
An electromagnetic wave propagating along north has its electric field vector upwards. Its magnetic field vector point towards
north
east
west
downwards
Correct Answer
Detailed Explanation
The direction of the magnetic field vector is perpendicular to both the direction of wave propagation and the electric field vector. Using the right-hand rule, if the wave is moving north and the electric field is upwards, the magnetic field must point east.
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