Question

explain the working of thermo flask with the help of well labelled diagram. plz tell fast​

Answer 1

Answer:

Explain the construction and working of a thermos flask with the help of a labelled diagram. Answer: A thermos flask maintains the temperature of the substance kept in it, that is, it keeps a hot substance hot and cold substance cold for long a long time.

Answer 2

Answer:

A thermos is a bottle with a double-walled container inside of it. The air between the two walls is sucked out during construction, creating a vacuum. ... Heat that might otherwise transfer to the cold contents of the thermos is prevented from reaching it because of the vacuum between the thermos walls...