Science, asked by Gunpreet3068, 1 month ago

Explain the working of thermos flask with a well lablede diagram

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Answered by vidhi6013
2

Answer:

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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