In resistivity surveys, the Wenner configuration is defined by:
A. Varying depth with same spacing
B. Equal spacing of all electrodes
C. Random electrode distances
D. Alternating current sources
Answer: Option B
Solution (By Examveda Team)
Wenner configuration involves four electrodes placed at equal spacing and is widely used for shallow resistivity profiling.This Question Belongs to Geological Engineering >> Geophysical Methods In Engineering
Which geophysical method uses electrical resistivity to study subsurface layers?
A. Seismic reflection
B. Electrical resistivity method
C. Gravity method
D. Magnetic method
What is the primary physical property measured in the seismic refraction method?
A. Electrical resistivity
B. Density
C. Seismic wave velocity
D. Magnetic susceptibility
The magnetic method in geophysics is used to detect:
A. Density contrasts
B. Magnetic anomalies
C. Water table depth
D. Pore pressure
Ground Penetrating Radar (GPR) is most effective in detecting:
A. Subsurface water
B. Magnetic minerals
C. Airborne pollutants
D. Earthquakes
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