spectrum from a prism. example of a spectrum kirchoff’s laws
Post on 19-Dec-2015
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Spectrum from a Prism
Example of a Spectrum
Kirchoff’s Laws
Spectra in the Lab
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 /
Electromagnetic Spectrum
Energy Levels and Spectral Lines
Absorption vs. Emission
Unique Spectral Lines for Atoms
Emission Lines
Molecular Bands
Thermal Radiation
Spectrum from Mars
Doppler Shift
Doppler Shifted Spectral Lines
Radial Velocity and Doppler Shift
Doppler Broadening