Dish antennas have a parabolic cross-section. This concentrates signals onto a sensor at the focus of the parabola. A dish antenna is 1 meter wide and 20 centimeters deep. How far from the bottom of this dish should the sensor be positioned?

Question

anonymous · Answer

we need to find the focal point of the parabola

anonymous · Answer

the sensor will be ideally placed at focus,

anonymous · Answer

what is the focus of the parabola?

anonymous · Answer

aha , it depends on the kinda of parabola, if it has vertex as origin then we have a different formula

anonymous · Answer

assume it is at the origin