The GATE Grind

GATE Solid State Physics: dia, para, ferro, antiferro and ferri magnetism, ferromagnetic domains – Previous Year Questions

4 GATE previous year questions on dia, para, ferro, antiferro and ferri magnetism, ferromagnetic domains (Solid State Physics, Physics) with answers and explanations, from every paper.

  1. GATE 2022 PH Q29 (1 mark, Numerical answer) – Potassium has electron concentration 1.41028\ m-3 and Fermi-level density of states 6.21046\ J-1m-3. Express Pauli susceptibility as n10-k in standard…
  2. GATE 2023 PH Q21 (1 mark, Multiple choice) – The figure schematically shows the M (magnetization) - H (magnetic field) plots for certain types of materials. Here M and H are plotted in the same…
  3. GATE 2025 PH Q23 (1 mark, Multiple choice) – A paramagnetic material containing ions with total angular momentum J=1/2 is kept at absolute temperature T. The ratio of the magnetic field required…
  4. GATE 2024 PH Q52 (2 marks, Multiple select) – The temperature dependence of magnetic susceptibility (Column I) and materials (Column II) are shown. Which option(s) is/are correct? Column I Column…