JEE Advanced · PhysicsHard
In an electromagnetic wave, the ratio of the amplitude of the electric field to the amplitude of the magnetic field is equal to:
- A.
- B.
- C.
- D.
Show correct answer & step-by-step solution
Correct answer: A —
Solution
- From Maxwell's equations for a plane wave, .
- Taking magnitudes, .
- Therefore, the ratio .
- Hence the answer is (A).
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