ThRad&SpectraPost - Kirchhoff's Laws of Radiation 1....

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Kirchhoff’s Laws of Radiation 1. Continuous Spectrum - emitted by a hot, glowing solid or liquid or gas under high pressure
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Kirchhoff’s Laws of Radiation 1. Continuous Spectrum - emitted by a hot, glowing solid or liquid or gas under high pressure 2. Emission-line Spectrum - emitted by an isolated gas under low pressure
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Kirchhoff’s Laws of Radiation 1. Continuous Spectrum - emitted by a hot, glowing solid or liquid or gas under high pressure 2. Emission-line Spectrum - emitted by an isolated gas under low pressure 3. Absorption-line Spectrum - emitted when white (continuous) light shines through a gas under low pressure
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Kirchhoff’s Laws of Radiation
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Kirchhoff’s Laws of Radiation Morrison: FRONTIERS OF ASTRONOMY, c 1990 by Saunders College Publishing
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Emission-line Patterns are different for different elements. Morrison: FRONTIERS OF ASTRONOMY, c 1990 by Saunders College Publishing
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http://cougar.slvhs.slv.k12.ca.us/~pboomer/physicstextbook/spectra12-3.jpg Emission-line Patterns are as unique as fingerprints.
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http://ircamera.as.arizona.edu/astr_250/images/spectra.jpg Three Basic Types of Spectra
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Hollow Metallic Cube Hole in wall
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Light that goes in is trapped inside. So the “hole”
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This note was uploaded on 04/17/2008 for the course PHYSICS 135-3 taught by Professor Brown during the Spring '08 term at Northwestern.

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ThRad&SpectraPost - Kirchhoff's Laws of Radiation 1....

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