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L1-04. Point Source - Flashlight Bulb
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L1-04. Point Source - Flashlight Bulb
Purpose
To demonstrate optical characteristics of a "point source."
Equipment
Small flashlight or bulb mounted onto battery.
Images
Description
Light from the point source propagates in straight lines from the source outward. It can be seen at the same place by everyone, and casts a shadow in every direction, etc.
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See pagesl1. light sources & light rays
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See pagesl2. plane mirrors
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See pagesl3. curved mirrors
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See pagesl4. refraction
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See pagesl5. total internal reflection
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See pagesl6. lenses
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See pagesl7. optical instruments
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See pagesl1. light sources & light rays
-
See pagesl2. plane mirrors
-
See pagesl3. curved mirrors
-
See pagesl4. refraction
-
See pagesl5. total internal reflection
-
See pagesl6. lenses
-
See pagesl7. optical instruments
Physics Lab Demos