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This question belongs to Geological Engineering Geophysical Methods In Engineering

Geophysical Methods in Engineering

?

Which of the following is a passive geophysical method?

A) Electrical resistivity survey B) Magnetic survey C) Induced polarization D) Seismic refraction

Answer & Solution

Correct Answer: Option B

Magnetic surveys are passive as they record natural magnetic field variations without injecting any energy into the ground.

Question posted by Examveda

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