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Practice Electromagnetic Methods - Advanced topics in Geophysics - Geology & Geophysics previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
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| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| Geology and Geophysics - Geophysics (GG) 2026 | 2026 | 5 | View paper |
| Geology & Geophysics (GG) 2025 [Session 2] | 2025 | 2 | View paper |
| Geology & Geophysics (GG) 2024 [Session 2] | 2024 | 3 | View paper |
| Geology & Geophysics (GG) 2023 [Session 2] | 2023 | 3 | View paper |
| Geology & Geophysics (GG) 2022 | 2022 | 2 | View paper |
| Geology & Geophysics (GG) 2021 | 2021 | 4 | View paper |
| Geology & Geophysics (GG) 2020 | 2020 | 4 | View paper |
| Geology & Geophysics (GG) 2019 | 2019 | 4 | View paper |
| Geology & Geophysics (GG) 2018 | 2018 | 5 | View paper |
| Geology & Geophysics (GG) 2017 | 2017 | 2 | View paper |
| Geology & Geophysics (GG) 2016 | 2016 | 5 | View paper |
| Geology & Geophysics (GG) 2015 | 2015 | 2 | View paper |
| Geology & Geophysics (GG) 2014 | 2014 | 2 | View paper |
| Geology & Geophysics (GG) 2013 | 2013 | 5 | View paper |
| Geology & Geophysics (GG) 2012 | 2012 | 3 | View paper |
| Geology & Geophysics (GG) 2011 | 2011 | 2 | View paper |
| Geology & Geophysics (GG) 2010 | 2010 | 3 | View paper |
| Geology & Geophysics (GG) 2009 | 2009 | 5 | View paper |
| Geology & Geophysics (GG) 2008 | 2008 | 4 | View paper |
| Geology & Geophysics (GG) 2007 | 2007 | 6 | View paper |
Practice every matching question in batches of 20, with every available option.
Match the phase differences between the quantities of induction phenomena (Group I) with the amount of phase difference in Group II
| Group I | Group II |
|---|---|
| P. Secondary field with respect to primary field | 1. leads by 90° |
| Q. Inphase component of secondary field with respect to primary field | 2. lags by 90° |
| R. Quadrature component of secondary field with respect to primary field | 3. lags between 90° - 180° |
| S. Quadrature component of secondary field with respect to inphase component of secondary field | 4. lags by 180° |
Which of the following combinations of electromagnetic field components is measured in magnetotelluric method?
Which form of partial differential equation is used for the interpretation of electromagnetic anomalies in geophysical prospecting?
In Turam method, one measures the reduced field ratio of the amplitude and of the phase difference between the two coils. In the absence of subsurface conducting body, the response is characterized as
Relevant differential equation to study low frequency electromagnetic prospecting for a conducting target can be written in the form of
In a layered medium, if the basement is perfectly conducting, magnetotelluric phase response asymptotically approaches to
A unit amplitude of an electromagnetic wave at thrice the skin-depth will be reduced to
Arrange the following electromagnetic methods in the decreasing order of depth of investigation. P. Time domain EM method Q. Magnetotelluric method R. VLF method S. Ground Penetrating Radar method
The primary field (Hp) in EM prospecting is represented by Hp = K sin (ωt). Which is the CORRECT expression for induced e.m.f. (es) in the subsurface conductor? (K and K' are constants)
Which physical property of the medium governs the response of Ground Penetrating Radar (GPR)?
Which of the following methods is best suited to estimate the resistivity variations in the upper mantle?
In Cartesian coordinate system, if the geological strike of a two-dimensional body is oriented along the x-direction, then the electromagnetic field components associated with TM mode of magnetotelluric method are
Showing 20 of 71 questions