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Geological Engineering · Q48

Remote Sensing and GIS in Geological Engineering

Engineering and GATE · Geological Engineering · question 48

Q48

Which remote sensing technique can penetrate dense vegetation to detect underlying ground features?

A.
Optical imaging
B.
LiDAR
Answer
C.
Thermal imaging
D.
Multispectral imaging

Answer: Option B

Solution

Answer: Option B
Solution:
LiDAR uses laser pulses that can penetrate forest canopy and provide detailed ground surface models beneath vegetation.It is widely used in forestry and geological mapping.