Chapter Objectives:

• Explain why, after passing through a narrow opening, water waves have curved wave fronts.
• Describe the causes of visible diffraction of waves.
• Describe the causes of visible bright and dark interference fringes of light.
• Describe Young's interference experiment.
• Explain the causes of the bright and dark bands that appear when monochromatic light is reflected from a thin material.
• Explain why colors shine from soap bubbles and gasoline slicks on a wet surface.
• Describe how laser light is different from light from an ordinary lamp.
• Explain how holograms are formed.
  

Chapter Terms:

• Huygen's principle
• diffraction
• interference
• polarization
• hologram

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Chapter Outline Framework:

• Huygen's Principle
• Diffraction
• Interference
  • Single-color Thin Film Interference
  • Interference Colors by Reflection from THin Films
• Polarization
  • Three-Dimensional Viewing
• Holography

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