Science, asked by ultrasinger11, 8 months ago

why does Tea remains hot in a thermos flask.

Answers

Answered by Abhishek073
12

Answer:

Explanation:

When hot tea is inside the thermo flask or Dewar flask, it remains hot for a long time because inside the thermo flask, the convection and radiation heat transfer is minimum due to the vacuum region inside the flask. It means there is no matter to carry the heat energy.

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