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  • Electromagnetic Waves Online Quiz
  • It remains the same for all EM waves.
Multiple choice

It remains the same for all EM waves.

  1. Energy

  2. Speed

  3. Frequency

  4. Wavelength

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In a vacuum, all electromagnetic waves travel at the same constant speed, known as the speed of light (c).

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