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GEOMETRIC OPTICS

GEOMETRIC OPTICS. Light is a transverse wave made up of oscillating electric and magnetic fields. Click here to view EM wave!. REFLECTION.

thomas-beck
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GEOMETRIC OPTICS

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  1. GEOMETRIC OPTICS Light is a transverse wave made up of oscillating electric and magnetic fields. Click here to view EM wave!

  2. REFLECTION When a light wave is incident upon a reflective surface (such as a mirror), it bounces back at the same angle that it came in at (measured with the normal to the reflective surface). This is true for both • Plane mirrors • Spherical mirrors (concave and convex)

  3. REFRACTION When light enters a transparent material it slows down. This causes the light to bend! This is true when light enters a medium through • Flat surfaces (like a plane of glass) • Curved surfaces (like a lens – either converging or diverging)

  4. Goals for the chapter:

  5. Preview … CLICK HERE FOR MIRROR/LENS RAY DIAGRAM APPLET the red arrow is the object; the blue arrow is the image of that object formed by the mirror/lens … move the red arrow around in the screen and see what happens!

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