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प्र: In a vacuum, all electromagnetic waves have the same

  • 1
    Velocity
  • 2
    Wavelenth
  • 3
    Frequency
  • 4
    All the above
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उत्तर : 1. "Velocity"
व्याख्या :

Answer: A) Velocity Explanation: When traveling in a vacuum, electronic waves from the electromagnetic spectrum all travel at the same speed. Velocity is speed with direction, so they would all travel at the same velocity, realtively speaking. But frequency and wavelength are quite different.

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