2022
= 2022
{scope}
{title2=A10285W1}
Source paper: https://www.whatdotheyknow.com/request/physics_preliminary_past_papers/response/2680788/attach/3/2018%202021%20Physics%20prelims.zip?cookie_passthrough=1
All questions and inline Roman subparts are covered. The solutions distinguish signed from unsigned distances, branches of complex powers, and the exceptional zero-frequency differential equation.