Heat and Thermal ExpansionHard
Question
An ice box made of styrofoam (thermal conductivity = 0.01 Jm-1 s-1 K-1) is used to keep liquids cool. It has a total wall area including lid of 0.8 m2 and wall thickness of 2.0 cm. The box is filled with ice. If the outside temperature is 30o then the rate of flow of heat into the box is :- (in Js-1)
Options
A.16
B.14
C.12
D.10
(T1 - T2)
(30 - 0) = 12 J / sMore Heat and Thermal Expansion Questions
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