Question #27

Which of the following statements is NOT TRUE regarding ultrasound reflection

A. Increasing the frequency will usually increase the amount of scattering
B. Specular reflection occurs when t he surface of reflection is much larger than the wavelength
C. When the surface of reflection is similar in size to the ultrasound wavelength then Rayleigh scattering occurs
D. There are three main types: specular reflection, Rayleigh scattering and refraction