explain the construction & working of a thermos flask. how does it minimise the loss of heat?
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Working of thermos flask is caused by
1)Conduction , Convection , Radiation
Due to Convection property, the heat is not lost.
1)Conduction , Convection , Radiation
Due to Convection property, the heat is not lost.
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Answer:
A thermos flask has double walls, which are evacuated and the vacuum bottle is silvered on the inside. The vacuum between the two walls prevents heat being transferred from the inside to the outside by conduction and convection.
Explanation:
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