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Thursday, January 28, 2010

Tracing reflected light rays:-The perpendicular line to the surface NO is the normal
-A ray of light AO strikes the mirror at point O, creating an angle i with the normal. AO is called the incident ray, and angle i is called angle of incidence.
-The light ray that bounces off the mirror and leaves along the path OB. OB is called the reflected ray. This ray makes an angle r with the normal. This angle is called the angle of reflection.
Types Of Mirror:
-Plane Mirrors
-Concave Mirrors
-Convex Mirrors
Plane Mirrors:
-Commonly used to check one's appearance
-Used as a form of decoration to make a room more spacious
-Used in cars as rear-view or side-view mirrors.
Concave Mirrors:
-Mirrors with curved surfaces that bend inwards.
-When object is nearer to mirror, image formed are virtual and bigger.

Convex Mirrors:
-Mirrors that bend outwards
-Covers a wider field of vision, and the images formed are distorted and smaller.

I AM GRUMPY.
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      Name: Abigail (:
      School: PLMGSS
      Class: 1-2b '09 , 2-2 '10

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