Question

explain the working of thermos flask with the help of the neat and well labelled diagram​

Answer 1

Explanation:

A vacuum flask, or thermos, does not allow heat transfer by any of the three ways that heat can travel. The silver coating on the inner bottle prevents heat transfer by radiation, and the vacuum between its double wall prevents heat moving by convection. ... The case surrounding the flask provides additional insulation.

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Answer 2

Answer:

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