Question
Geomatics Engineering Question on Photogrammetry and Remote Sensing
Which of the following parts of the electromagnetic spectrum is/are used in satellite remote sensing for earth observation?
A
Visible wavelengths
B
Thermal Infrared wavelengths
C
Radio wavelengths
D
Gamma wavelengths
Answer
Visible wavelengths
Explanation
Solution
The correct answer is (A and B) : Visible wavelengths AND Thermal Infrared wavelengths