The vacuum and silvered wall surfaces of a vacuum flask walls are respectively
A.
minimize conduction and convection and prevent radiation
B.
prevent conduction and convection and minimize radiation
C.
prevent conduction and minimize convection and radiation
D.
minimize convection and prevent conduction and radiation
Correct Answer: Option B
Explanation
Vacuum: It prevents conduction and convection because there are no air molecules to transfer heat.
Silvered Walls: They minimize radiation by reflecting thermal radiation back.
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