Electromagnetic Waves - PowerPoint PPT Presentation

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Electromagnetic Waves

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... photon is often called a particle of light. The Energy of an individual photon ... The Energy of a photon is proportional to its frequency: E = h f = hc / l ... – PowerPoint PPT presentation

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Title: Electromagnetic Waves


1
Electromagnetic Waves
2
Light and Matter
  • Emission light produced by matter
  • Absorption portion of light incident on matter
    that is absorbed
  • Transmission portion of light that travels
    through medium
  • Reflection light that bounces (reflects) at an
    angle equal to its incident angle

3
Electromagnetic Spectrum
  • c 300,000 km/s
  • l f c

4
Spectrum from a Prism
5
Example of Spectrum
6
Types of Spectra in the Lab
7
Photons of Light
  • The smallest unit of light is a photon
  • A photon is often called a particle of light
  • The Energy of an individual photon depends on its
    wavelength (frequency)
  • The Energy of a photon is proportional to its
    frequency E h f hc / l

8
Electromagnetic Spectrum
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