Physics 2, Lab 3

Physics 2, Lab 3 - Physics Lab # 3 Spectroscopy Joshua...

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Physics Lab # 3 Spectroscopy Joshua Budhu Lab Partner: Andrew Nouri Date Performed: 2/25/09 Date Due: 3/4/09
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1 Theory In this lab, we dealt with spectroscopy, which pertains to the dispersion of an object's light into its component colors. The wavelength’s of light emitted are unique to the molecules and atoms that make up the gas, and is a method of determining the components of a gas. Using the formula E = hv, where h is Planck’s constant, we can also measure the energy emitted when an atom makes the transition between an excited state to a lower energy state. We use a diffraction grating, with the diffraction occurring named Fraunhofer diffraction. Fraunhofer diffraction utilizes Huygens principle whereby a wave is split into several outgoing waves when passed through an aperture, slit or hole, and is usually described through the use of observational experiments using lenses to purposefully diffract light. When waves pass through, the wave is split into two diffracted waves travelling at
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Physics 2, Lab 3 - Physics Lab # 3 Spectroscopy Joshua...

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