The silver coating on the inside of a vacuum flask reduces heat loss by
Question 1 Report
The silver coating on the inside of a vacuum flask reduces heat loss by
Answer Details
The silver coating on the inside of a vacuum flask reduces heat loss by radiation. Heat can be transferred in three ways: conduction, convection, and radiation. In a vacuum flask, the space between the two walls of the flask creates a vacuum which reduces heat transfer by conduction and convection. However, radiation can still occur. The silver coating on the inside of the flask reflects radiant heat back to the liquid, reducing heat loss by radiation. Therefore, the silver coating on the inside of a vacuum flask reduces heat loss by radiation.
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