AM Physics Test 1 Leave a Comment / By fawadtwopointo@gmail.com / August 22, 2025 Welcome to your AM Physics Test 1 In nonrelativistic quantum theory, a complete set of commuting observables is primarily used to: Label mutually exclusive measurement outcomes Define a unique potential Remove degeneracy from all spectra Eliminate measurement back-action None Which interpretation treats the wavefunction as a tool for computing probabilities without asserting underlying reality? Objective collapse Copenhagen Many-worlds de Broglie–Bohm None In scattering theory, the physical meaning of the S-matrix unitarity condition is that: Cross sections are independent of energy Total probability is conserved in all scattering processes Interaction range is finite Energy is exactly conserved for bound states only None In relativistic quantum field theory, microcausality requires that: Interactions vanish beyond a fixed length scale All fields are gauge fields Vacuum fluctuations are absent Measurements at spacelike separation cannot influence each other None Renormalization group “flow” primarily describes how: Boundary conditions change under time evolution Observables transform under spatial rotations Effective couplings change with the scale of observation Gauge choices alter particle content None None Time's up