PH 106 Lecture Notes - Lecture 28: Curved Mirror, Virtual Image, Real Image
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12 Apr 2016
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For you to see an object, light must leave that object & enter your eye. Real image- an image formed on a surface. Existence of the image doesn"t depend on observation. When you look at a mirror, you see an image of yourself & your surroundings. We can use the law of reflection to understand how the image relates to the object. The image distance is equal to the object distance. The image appears as far behind the mirror as the object is in front. Akso, the height of the image (h") is the same as the height of the object (h) i = ip h" = h. Spherical mirrors are curved mirrors that form a section of a sphere. If the outer surface of the sphere is mirrored, the mirror is convex. If the inner surface of the sphere is mirrored, the mirror is concave. Notice that for a concave mirror, light rays are reflected inward.
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