Which remote sensing systems sense the longest wavelengths?
A) Landsat
B) color photography
C) thermal infrared imaging
D) microwave imaging
E) black and white photography

Question

Quizplus · Accepted Answer

Microwave imaging senses the longest wavelengths among the given options. Microwave sensors operate in the range of 1 mm to 1 m wavelength, which is longer than the other sensors mentioned in the options. For example, Landsat senses the visible, near-infrared, and thermal infrared part of the electromagnetic spectrum, while color photography and black and white photography sense only visible light. Thermal infrared imaging senses longer wavelengths than visible light but is shorter than microwave wavelengths. Therefore, microwave imaging is the best option when it comes to sensing the longest wavelengths.

Which Remote Sensing Systems Sense the Longest Wavelengths