WBCS.LIVE practice question

All electromagnetic wave have the same

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. frequency
  2. amplitude
  3. wavelength in vacuum
  4. speed in vacuum

Correct answer and explanation

Correct answer: speed in vacuum

Explanation: āœ… Correct Answer: D) speed in vacuum šŸ“š Explanation: All electromagnetic waves, including light, radio waves, and X-rays, travel at the same constant speed in a vacuum, which is approximately 3 x 108 meters per second. However, their frequencies and wavelengths differ significantly. Speed changes only when the waves pass through different media like air or glass.