Science, asked by aw1351789, 7 months ago

explain why a vacuum flask can keep drinks cold as well hot ?

Answers

Answered by ronit8114

2

Answer:

The technical name of a thermos is a vacuum flask (you will know the reason why, shortly). To keep your drinks hot or cold, it minimizes heat transfer due to conduction and radiation. Convection is not included because convection keeps the temperature in a liquid even

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