Q81
Which is not a method of groundwater exploration?
A.
Resistivity survey
B.
Magnetic survey
AnswerC.
Seismic refraction
D.
Remote sensing
Answer: Option B
Solution
Answer: Option B
Solution:
Magnetic surveys are used to detect magnetic anomalies in rocks, not water.Groundwater exploration mainly uses resistivity, seismic, and remote sensing methods.Correct Answer: Magnetic survey.