chapter 7 Heat Transfer in Nature - Part 6

Why are silver coatings used on the inner walls of a thermos flask?

Type: MCQ • Marks: 1
Why are silver coatings used on the inner walls of a thermos flask?
Options
A. To reduce heat loss by Radiation
B. To reduce heat loss by Conduction
C. To strengthen the glass
D. To make it easy to clean
Explanation
Shiny silver surfaces reflect heat radiation back into the liquid, minimizing radiant heat loss.
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