List of top Geology and Geophysics Questions on Magnetism and matter asked in GATE GG

When an external magnetic field of strength \(1.5 \times 10^{-3}\) A/m is applied to a rock sample, the measured intensity of magnetization is \(0.5 \times 10^{-3}\) A/m. The magnetic susceptibility of this rock is ________ (Round off to two decimal places).
What is/are the primary effect(s) of applying upward continuation to magnetic field data?
When an external magnetic field of strength \(1.5 \times 10^{-3}\) A/m is applied to a rock sample, the measured intensity of magnetization is \(0.5 \times 10^{-3}\) A/m. The magnetic susceptibility of this rock is ________ (Round off to two decimal places).
If $\vec{B$ is the magnetic field in a region free of currents, then which of the following statements is/are correct? }