The GATE Grind

GATE Nuclear and Particle Physics: conservation laws, isospin symmetry, charge conjugation, parity and time-reversal invariance. – Previous Year Questions

7 GATE previous year questions on conservation laws, isospin symmetry, charge conjugation, parity and time-reversal invariance. (Nuclear and Particle Physics, Physics) with answers and explanations, from every paper.

  1. GATE 2023 PH Q55 (2 marks, Multiple select) – Under parity and time reversal transformations, which of the following statements is(are) TRUE about the electric dipole moment p and the magnetic…
  2. GATE 2023 PH Q58 (2 marks, Multiple select) – A slow moving π− particle is captured by a deuteron (d) and this reaction produces two neutrons (n) in the final state, i.e., π−+ d→n+ n. Neutron and…
  3. GATE 2026 PH Q23 (1 mark, Multiple choice) – Which one of the following is an allowed process?
  4. GATE 2026 PH Q38 (2 marks, Multiple choice) – Which one of the following statements is true?
  5. GATE 2025 PH Q35 (1 mark, Numerical answer) – The + baryon with spin 3/2, at rest, decays to a proton and a pion (+ p+0). The + has positive intrinsic parity and 0 has negative intrinsic parity.…
  6. GATE 2024 PH Q26 (1 mark, Multiple choice) – Let P, Q, R be different nuclei. Which nuclear process is possible?
  7. GATE 2024 PH Q49 (2 marks, Multiple select) – Decays of mesons and baryons can be categorized as weak, strong and electromagnetic decays depending upon the interactions involved in the processes.…