KIDS QUIZ
FAMOUS INVENTORS AND INVENTIONS
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What does incandescent mean?
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a complete failure
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an engine that moves a train forward
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giving off a lot of light
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moving slowly and noisily
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Explanation:
Detailed explanation-1: -: white, glowing, or luminous with intense heat. : strikingly bright, radiant, or clear. : marked by brilliance especially of expression. incandescent wit.
Detailed explanation-2: -An incandescent bulb works on the principle of incandescence, a general term meaning light produced by heat. In an incandescent type of bulb, an electric current is passed through a thin metal filament, heating the filament until it glows and produces light.
Detailed explanation-3: -An object that glowed at a high temperature (such as a piece of coal) was “incandescent.” By the mid-1800s, the incandescent lamp-a.k.a. the lightbulb-had been invented; it contains a filament which gives off light when heated by an electric current.
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