what is vaccum? why sound can not travel through vaccum.
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Hi. Vacuum is empty space where no air exists. Sound can't travel through vacuum because it requires a medium (matter) weather solid, liquid or gaseous to propagate. Hope it helps.
nehadhankhar:
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Answer:The outer layer of fabric does get hotter because the black color absorbs more heat. ... A black body absorbs almost all the wavelengths of lightreceived by it(hence the color) and awhite colored body on the other hand reflects all(or most of) the wavelengths of light falling on it
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