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

Question

Quizplus · Accepted Answer

LiDAR is an active remote sensing device that uses lasers to generate pulses of light, which are then reflected back to the sensor and used to create 3D maps of the environment. Film, infrared sensors, and video cameras are all passive remote sensing devices that rely on natural or ambient light sources.

Which of the Following Is an Example of an Active