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प्रश्न
For an electromagnetic wave travelling in free space, the relation between average energy densities due to electric (Ue) and magnetic (Um) fields is ______.
पर्याय
Ue ≠ Um
Ue = Um
Ue > Um
Ue < Um
MCQ
रिकाम्या जागा भरा
उत्तर
For an electromagnetic wave travelling in free space, the relation between average energy densities due to electric (Ue) and magnetic (Um) fields is Ue = Um.
Explanation:
The average energy density due to electric field (Ue) and magnetic field (Um) for an electromagnetic wave is the same.
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