Calculate the rate of loss of heat through a glass window of area `1000 cm^(2)` and thickness 0.4 cm when temperature inside is `37^(@)C` and outside is `-5^@)C` . Coefficient of thermal conductivity of glass is `2.2 xx 10^(-3) cal s^(-1) cm^(-1) K^(-1)`.

Explanation

To calculate the rate of heat loss through a glass window, we can use the formula derived from Fourier's law of heat conduction:

\[ \text{Rate of heat loss} (Q) = \frac{k \cdot A \cdot (T_1 - T_2)}{\Delta x} \]

Where:
- \( k \) = Coefficient of thermal conductivity (in \( \text{cal s}^{-1} \text{cm}^{-1} \text{K}^{-1} \))
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