Which of the following is an example of an active remote sensing device?
A) film
B) infrared sensor
C) video camera
D) radar

Question

Quizplus · Accepted Answer

Radar is an example of an active remote sensing device because it emits energy (radio waves) towards the target and then detects the energy that is reflected back to the sensor. Film, infrared sensors, and video cameras are passive remote sensing devices that detect energy that is naturally emitted or reflected from the target.

Which of the Following Is an Example of an Active