Write a short note on Thermosflask. – InterviewSolution

1.

Write a short note on Thermosflask.

Answer» ONG>Answer:

A thermos flask is used to keep a hot liquid hot and a cold liquid cold for a long time.

The thermos flask was invented by Sir James DEWAR in 1892.

Hence, it is also known as Dewar's flask or a vacuum flask.

A thermos flask prevents the loss or gain of heat energy DUE to conduction, convection and RADIATION.

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