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Understanding infrared radiation and hazards

Waves and electromagnetic radiation • The electromagnetic spectrum

Key concepts

What you'll likely be quizzed about

  • Infrared radiation lies between visible light and microwaves in the electromagnetic spectrum.
  • It is emitted by all objects based on their temperatures.
  • The hotter an object, the more infrared radiation it emits.
  • Infrared radiation is used in technologies like thermal imaging cameras, which detect heat patterns and convert them into images.
  • This allows for applications in security, surveillance, and even night vision.

Flashcards

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How is infrared radiation applied in technology?

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Infrared radiation is used in thermal imaging, allowing for heat detection and imaging in security and surveillance.

Key notes

Important points to keep in mind

Infrared radiation is emitted by all objects based on temperature.

Hotter objects emit more infrared radiation than cooler ones.

Always use protective equipment around high-intensity infrared sources.

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