Two identical metal plates are painted differently: one is coated with matte black…
PHYSICS · Subjective · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter
Problem
Two identical metal plates are painted differently: one is coated with matte black paint having ε=0.95 while the other is polished to a shiny finish with ε=0.05. Both plates are maintained at the same temperature inside a furnace. Explain which plate will emit more thermal radiation and give the reason for your choice.