Physics, asked by rajdakshit22, 1 year ago

Explain construction of thermos flask

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Answered by LightningMccQueen

7

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. ... The diagram below shows a cross section through a thermos.

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