Copyright © 2011 by Darrell Causey, Jr.

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Presentation transcript:

Copyright © 2011 by Darrell Causey, Jr.

The Light Spectrum (EMR) Copyright © 2011 by Darrell Causey, Jr.

Electromagnetic Spectrum The range of electromagnetic radiation wavelengths. (meters) Copyright © 2011 by Darrell Causey, Jr.

λ ν Electromagnetic Spectrum increasing decreasing ultra-violet rays gamma rays infrared rays shortwave X-rays radar FM TV AM (meters) λ increasing ν decreasing Copyright © 2011 by Darrell Causey, Jr.

λ ν Electromagnetic Spectrum decreasing increasing ultra-violet rays gamma rays infrared rays shortwave X-rays radar FM TV AM (meters) λ decreasing ν increasing Copyright © 2011 by Darrell Causey, Jr.

Electromagnetic Spectrum ultra-violet rays gamma rays infrared rays shortwave X-rays radar FM TV AM (meters) Visible Light Copyright © 2011 by Darrell Causey, Jr.

Visible Light Spectrum ultra-violet rays gamma rays infrared rays shortwave X-rays radar FM TV AM (meters) Visible Light (nanometers) Copyright © 2011 by Darrell Causey, Jr.

Refraction The bending of light waves. Prism Copyright © 2011 by Darrell Causey, Jr.

Continuous Spectrum A range of wavelengths with no gaps. Copyright © 2011 by Darrell Causey, Jr.

Line Spectrum A range of wavelengths with gaps or missing wavelengths. Emission Absorption Copyright © 2011 by Darrell Causey, Jr.

Reflection The bouncing of light waves off an object. Copyright © 2011 by Darrell Causey, Jr.

Reflection The reason we SEE things is because of the reflection of light. Red is reflected. The other colors are absorbed. Copyright © 2011 by Darrell Causey, Jr.

Spectroscopy The study of light spectra using a spectroscope. Robert Bunsen Gustav Kirchhoff Copyright © 2011 by Darrell Causey, Jr.

Spectroscopy Each element emits a unique line spectrum. Copyright © 2011 by Darrell Causey, Jr.

Questions? Copyright © 2011 by Darrell Causey, Jr.

Check out … www.mrcausey.com For more information. Copyright © 2011 by Darrell Causey, Jr.