The reflecting dish of a parabolic microphone has a

Last updated: 8/14/2022

The reflecting dish of a parabolic microphone has a cross-section in the shape of a parabola. The microphone itself is placed on the focus of the parabola. If the parabola is 24 inches wide and 9 inches deep, how far from the vertex should the microphone be placed? 6 inches 8 inches 16 inches 4 inches