Question

A thermopane window consists of two sheets of glass each 10 mm thick, separated by a layer of stagnant air 6 mm thick. Find the percentage reduction in heat loss from this pane as compared to that of a single sheet of glass 10 mm thickness. The temperature drop between inside and outside remains same at 25°C. Thermal conductivity of glass is 40 times that of air. a) 86.15% b) 96.15% c) 56.15% d) 76.15%​

Answer 1

Answer:

b) 96.15%q

Explanation:

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Answer 2

Answer:

option b is correct 96.15%