Critical and Brewsters Angle Magnitude and phase of the pressure reflection coefficient with c2/c1 = 0.9 and z2/z1 = 0.9.

Critical and Brewsters Angle Magnitude and phase of the pressure reflection coefficient with c2/c1 = 0.9 and z2/z1 = 1.1. Note the angle of intromission at 46.4˚.

Critical and Brewsters Angle Magnitude and phase of the pressure reflection coefficient with c2/c1 = 1.1 and z2/z1 = 1.1. Note the critical angle at 65.4˚.

Critical and Brewsters Angle Magnitude and phase of the pressure reflection coefficient with c2/c1 = 1.1 and z2/z1 = 0.9. Note the angle of intromission at 43.2˚ and critical angle at 65.4˚.

Critical and Brewsters Angle Magnitude and phase of the pressure reflection coefficient with c2/c1 = 0.9 and z2/z1 = 0.9.