Question

2) In a thermos flask how heat loss by all three modes of heat
transfer is minimized. Explain.

Answer 1

Answer:

The thermos flask consists of a double-walled glass vessel resting on a cork inside a metal or plastic case. The outer surface of its inner wall and the inner surface of its outer wall are silvered. This prevents heat transfer due to radiation. ... The double-walled glass vessel and vacuum prevents heat loss by conduction.

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Answer 2

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