Abstract
Theory from the preceding paper is compared with available experimental scattering measurements, and good agreement is found. The Fraunhofer and Fresnel phase approximations are examined, and limitations of validity are discussed. The interaction of the phase and beam approximations is examined as well as variations in the size of the scattering surface. Various slope approximations are compared. The significance of the Kirchhoff approximation and shadowing is explored within the limitations of geometrical acoustics.
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