| 1- a) LaCoste and Romberg gravity meters and Worden gravity meter
b) The magnetic gradiometer c) Microtremor survey method d) Elastic moduli and geotechnical properties of the foundation materials |
| 2- a) Instruments for measuring gravity at sea
b) Mechanism of optical pumping magnetometer (Rubidium-cesium vapor) c) Common configurations of 2D electrical resistivity imaging d) Applications of seismic refraction method |
| 3- a)Borehole gravity meters
b) Schmidt-type magnetic field balance and the Fluxgate magnetometer c) Four different applications of resistivity method d) Advantages and limitations of seismic refraction method |
