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Two main types of bulbs that are found in home.
The process of how they produce light.
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Answer to Problem 15R
Two main types of bulbs that are found in home: Incandescent light bulbs and Fluorescent light bulbs.
Explanation of Solution
Introduction:Light is a type of wave that carries energy through matter or space. Any device used for irradiation, illumination, projection or signalling are known as lighting device.
Many light bulbs in home produce incandescent light. This light is produced by heating a piece of metal (tungsten) until it glows. In incandescent light bulbs, there is a small wire coil (known as filament, made up of tungsten). When
Fluorescent light bulbs are also used in house. Fluorescent light is light produced by using phosphorus to convert UV
Conclusion:
Incandescent light bulbs. When the filament of bulb is heated (by the electric resistance of tungsten), it produces light.
Fluorescent light bulbs. After converting the UV radiations into visible lights (by using phosphorus) fluorescent light is produced.
Chapter 12 Solutions
Glencoe Physical Science 2012 Student Edition (Glencoe Science) (McGraw-Hill Education)
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