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Geometric Optics

Geometric Optics. Physics 202 Lecture 9. Geometric optics ignores the wave nature of light and is based on geometric laws. A curved mirror will act as a lens creating a magnified image based on its focal length. In a ray diagram, we only need a few key rays to identify the image location.

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Geometric Optics

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  1. Geometric Optics Physics 202 Lecture 9

  2. Geometric optics ignores the wave nature of light and is based on geometric laws

  3. A curved mirror will act as a lens creating a magnified image based on its focal length

  4. In a ray diagram, we only need a few key rays to identify the image location

  5. Image distance and magnification is related to object distance and lens focal length

  6. Snell’s law governs the angles involved in refraction and is related to the speed of light

  7. Transparent lenses obey same geometric formulas with a different sign convention

  8. Most transparent materials are dispersive which explains prisms and rainbows

  9. Double refraction and the problem of polarization

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