A liquid remains hot or cold for a long time in thermos flask because there is no loss or gain of heat by which of the following?

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CollectorBabu · Accepted Answer

Correct Answer: Both A and B. • If there is no loss of heat by any of the three processes, namely conduction, convection or radiation, the liquid will remain in the same degree of hotness or coldness. • In other words, a liquid remains hot or cold for a long time in thermos flask because there is no loss or gain of heat by the processes of: ⇒ Conduction ⇒ Convection ⇒ Radiation

A liquid remains hot or cold for a long time in thermos flask because there is no loss or gain of heat by which of the following?

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