4 The reflecting dish of a parabolic microphone has a cross

Last updated: 5/9/2023

4 The reflecting dish of a parabolic microphone has a cross section in the shape of a paral The microphone itself is placed on the focus of the parabola If the parabola is 24 inches and 9 inches deep how far from the vertex should the microphone be placed O6 inches O8 inches O 16 inches O4 inches