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Understanding the electromagnetic spectrum

Waves and electromagnetic radiation • The electromagnetic spectrum

Key concepts

What you'll likely be quizzed about

  • Electromagnetic waves include a range of wave types, such as radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.
  • Each type has distinct properties, characterized by its wavelength and frequency.
  • These waves exhibit behaviors like reflection, refraction, and diffraction, allowing them to interact with matter in various ways.

Flashcards

Test your knowledge with interactive flashcards

What role do microwaves play in communication technology?

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Microwaves are used in satellite communications and cellular networks due to their ability to penetrate the atmosphere.

Key notes

Important points to keep in mind

Electromagnetic waves can transmit energy without a medium.

Shorter wavelengths correspond to higher energies in the spectrum.

Visible light is a small part of the electromagnetic spectrum.

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