In an experiment the total emissive power (in W·m⁻²) of a black surface is plotted on…
PHYSICS · Subjective · CBSE · Physics · Thermal Properties of Matter · Thermal Properties of Matter
Problem
In an experiment the total emissive power E (in W·m⁻²) of a black surface is plotted on the y-axis against (T/100K)4 on the x-axis. The straight line obtained has a slope of 5.67. Calculate the numerical value of the Stefan–Boltzmann constant σ.