IGCSE Physics: General Wave Properties and Electromagnetic Waves

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Questions and Answers

What is the relationship between wavelength and frequency in electromagnetic waves?

  • Their relationship changes based on the medium
  • They are directly proportional (correct)
  • They are not related
  • They are inversely proportional

How do general wave properties differ between mechanical waves and electromagnetic waves?

  • Mechanical waves have higher frequencies than electromagnetic waves
  • Electromagnetic waves exhibit interference while mechanical waves do not
  • Mechanical waves require a medium to propagate while electromagnetic waves do not (correct)
  • Mechanical waves travel at the speed of light while electromagnetic waves do not

In the context of electromagnetic waves, what property of a wave is directly related to its energy?

  • Wavelength
  • Frequency (correct)
  • Velocity
  • Amplitude

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