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 (Light Detection and Ranging) is an active remote sensing device that uses laser light to measure distances and create 3D maps of objects and environments. Film and video cameras are passive remote sensing devices that rely on reflected or emitted radiation, while infrared sensors are often used in both active and passive remote sensing, but are not exclusively active.

Which of the Following Is an Example of an Active