why does a hot substance in a thermos flask cool down after sometime time
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here's ua answer :
Since there is a vacuum between the walls of the bottle, the flow of heat by convection is also ruled out. Due to the silvering of the walls heat is not lost by radiation. As a result, hot things kept in a thermos flask, do not become cold and cold ones do not become hot for a long time.
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here's ua answer :
Since there is a vacuum between the walls of the bottle, the flow of heat by convection is also ruled out. Due to the silvering of the walls heat is not lost by radiation. As a result, hot things kept in a thermos flask, do not become cold and cold ones do not become hot for a long time.
HOPE IT HELPS UH
bYe see uh again
plz mark it as brainlist
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