Science, asked by pooja7179, 5 hours ago

with the help of diagram explain working of thermo flask​

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Answered by anjalirehan04
1

Answer:

(1) The vacuum between the two walls, rubber, glass, cork and air do not allow the loss of heat by conduction. (2) Cork in the neck of flask and the cup over it prevent loss of heat by convection. (3) Heat cannot be lost by conduction or convection because of vacuum between the two walls.

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