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Reflections in curved mirrors


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Reflections in curved mirrors

  1. 1. Reflections in Curved Mirrors<br />7SCIENCE<br />
  2. 2. Curved mirrors<br />Not all mirrors are flat, some may be circular in shape and curved<br />Curved mirrors exist for different purposes<br />Concave <br />Convex <br />Light rays travel in parallel (straight) lines and strike the mirror and are reflected <br />
  3. 3. Concave mirrors<br />Light rays reflect and meet at one point <br />Reflected through a point called the focal point<br />The distance between the focal point to the center of the mirror is called a focal length<br />
  4. 4. Concave mirror<br />Concave = forms a ‘cave’ like inside of a spoon<br />The image formed depends on the distance of the object from the focal point of the mirror<br />If the object is between the focal point and the mirror, the image appears inverted (upside down) and smaller<br />If the object is past the focal point, the image appears upright and larger <br />
  5. 5. Convex mirror<br />Curves outward ex. outside of a spoon<br />Causes light rays to spread apart<br />Image is always upright and smaller than the object<br />Ex. Security mirrors, car/truck mirrors<br />“things are larger and closer than they seem”<br />