Why tubelight is a cold source of light?
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1
Answer:
it emitts light.The tube light realese the light
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2
Answer:
yes , because with a new fluorescent light tube , you can touch the glass envelope , they are much cooler than an operating incandescent bulb
no , because the interior plasma still 6000 k it is just that the pressure is so low , the envelope is much cooler ..
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