Q36
What is the principle of Synthetic Aperture Radar (SAR) in remote sensing?
A.
Uses thermal energy emitted by objects
B.
Measures reflectance of visible light
C.
Uses microwave pulses to create high-resolution images
AnswerD.
Detects magnetic fields
Answer: Option C
Solution
Answer: Option C
Solution:
SAR sends microwave pulses and processes the returned signals to generate detailed images regardless of weather or lighting.Widely used in terrain and deformation studies.