5.2 Using Mirrors to Form Images

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Presentation transcript:

5.2 Using Mirrors to Form Images All mirrors reflect light according to the law of reflection. A flat smooth mirror is called a plane mirror. The mirror on the wall, in your bathroom, is probably a plane mirror. See page 182 (c) McGraw Hill Ryerson 2007

Left and right appear to be reversed in a plane mirror. Plane Mirrors Plane mirrors form an image that is upright and appears to be as far behind the mirror as the object is in front of it. Left and right appear to be reversed in a plane mirror. See pages 183 - 184 (c) McGraw Hill Ryerson 2007

A concave mirror is a mirror that curves inward. Concave Mirrors A concave mirror is a mirror that curves inward. Light reflecting off a concave mirror meet at a single point called the focal point. Light rays that come together are called converging rays. The image formed by a concave mirror depends on the location of the object (see A, B C). Flashlights, car headlights, and telescopes, are a few applications of concave mirrors. See page 185 (c) McGraw Hill Ryerson 2007

A convex mirror is a mirror that curves outwards. Convex Mirrors A convex mirror is a mirror that curves outwards. Reflected rays from a convex mirror diverge and do not meet. The image formed by a convex mirror have two characteristics: Objects appear to be smaller than they are. More objects can be seen in a convex mirror than in a plane mirror. Convex mirrors are used in stores as security mirrors Take the Section 5.2 Quiz See page 186 (c) McGraw Hill Ryerson 2007