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Electromagnetic radiation can described using these characteristics:

  • Frequency (f')
  • Wavelength (ƛ)
  • Velocity (v)
  • Amplitude

The first three are related via a simple formula:

ƛ = v/f'

The final characteristic equates to power. The instruments used to measure these characteristics vary widely depending on the range of frequencies. Some are detectable using an antenna like the low power (amplitude) microwaves used in a mobile phone, while others are detected by the wave colliding with a sensitive material like the sensor in a camera. Infrared radiation can be detected as heat.

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Related Questions

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What is the interference of electromagnetic on daily life?

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Yes, a Faraday cage needs to be grounded in order to effectively block electromagnetic interference.


How can employees be protected from electromagnetic interference using Faraday cages?

Employees can be protected from electromagnetic interference by using Faraday cages, which are enclosures made of conductive material that block electromagnetic fields. These cages work by redirecting the electromagnetic energy around the outside of the cage, preventing it from reaching the inside where employees are located. This helps to shield employees from potential health risks associated with exposure to electromagnetic interference.


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