Light and Atoms 95 3.1 Properties of Light 96 The Nature of Light--Waves or Particles? 96 Light and Color 97 Characterizing Electromagnetic Waves by Their Frequency 99 White Light 99
3.2 The Electromagnetic Spectrum: Beyond Visible Light 100 Infrared Radiation 101 Ultraviolet Light 101 Radio Waves 101 Other Wavelength Regions 101 Energy Carried by Electromagnetic Radiation 102 Wien's Law: A Wavelength-Temperature Relation 102 Extending Our Reach: Taking the Temperature of the Sun 103 Blackbodies and Wien's Law 104
3.3 Atoms 104 3.4 The Origin of Light 106 3.5 Formation of a Spectrum 108 How a Spectrum Is Formed 108 Identifying Atoms by Their Light 110 Types of Spectra 111 Depicting Spectra 112 Analyzing the Spectrum 112 Astronomical Spectra 113
3.6 The Doppler Shift 114 3.7 Absorption in the Atmosphere 115 |