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Geological Engineering · Q68

Remote Sensing and GIS in Geological Engineering

Engineering and GATE · Geological Engineering · question 68

Q68

Which remote sensing method is effective for mapping subsurface geological features?

A.
Optical imaging
B.
Ground Penetrating Radar (GPR)
Answer
C.
Thermal imaging
D.
LiDAR

Answer: Option B

Solution

Answer: Option B
Solution:
GPR uses radar pulses to image shallow subsurface structures.It is valuable for detecting faults, cavities, and buried objects.