In the seismic refraction method, the waves sent along the ground surface is picked by _________
(a) Geo satellite instrument
(b) Geophone
(c) Wave detector
(d) All of the mentioned
I got this question by my college director while I was bunking the class.
This intriguing question originated from Method of Site Exploration in section Stabilisation of Soils, Site Investigation and Sub – Soil Exploration of Geotechnical Engineering II