Abstract
The Mie theory of light scattering by a spherical isotropic particle of any radius is briefly described. Equations are given for the angular distribution of intensity, and for the total energy scattered by transparent particles or scattered and absorbed by absorbing particles. It is shown experimentally and by comparison of the equations that both the Mie and the Rayleigh equations for the angular distribution of intensity yield results which are too great by a factor of two when the particle is illuminated by natural light.