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Published byThomasine Walker Modified over 9 years ago
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Advanced Reflections
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All light will reflect off a mirror at the same angle it enters in relation to the normal Even curved mirrors
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Convex Mirror A convex mirror is a mirror that is curved out towards you The back of a spoon is a convex mirror
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Incident Ray Normal
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Incident Ray Normal Reflected Ray
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Concave Mirror A concave mirror is a mirror that is curved in away from you The inside of a spoon is a concave mirror
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Incident Ray Normal
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Incident Ray Normal Reflected Ray
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Parabolic Mirrors A special type of concave mirror is a parabolic mirror As the last diagram showed, all light rays coming into the mirror are reflected to one location This focuses all the light at one point Starting with a light source at the focus point, all reflected rays would be parallel This is used in flashlights like a MagLite
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Additional Uses A satellite dish works like the concave mirror, only it is reflecting all the microwave signals from a satellite to the receiver in the arm of the dish Car Lights, Microscopes, Dentistry
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Seeing a Mirror Image MIRRORMIRROR
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Light coming from the object (incident) reflect off the mirror and come to your eye At the back of your eye, the retina converts these light waves into a signal processed by the brain and seen as an image The brain thinks the image is actually behind the mirror, and smaller than the actual image
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Reflection; Image Formation by a Plane Mirror What you see when you look into a plane (flat) mirror is an image, which appears to be behind the mirror.
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Formation of Images by Concave Mirror
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Reflection; Image Formation by a Convex
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