A cube of material with emissivity of 0.4 is heated from room temperature of 20°C to 100°C. The net power radiated by the cube is 20 W. What is the volume of the cube? (? = 5.6696 × 10^–8 W/m2·K4

a. 0.0014 m3
b. 0.012 m3
c. 0.11 m3
d. 1.8 m3


a

Physics & Space Science

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