2021
= 2021
{scope}
{title2=A11047W1}
Source paper: https://www.whatdotheyknow.com/request/oxford_physics_past_papers_2/response/2340696/attach/9/Physics%20Papers%202020.pdf?cookie_passthrough=1
The source is on bundle pages 34–41. Its cover gives Trinity Term 2021 despite the attachment's 2020 filename. These solutions use <natural units> $\hbar=c=1$ unless a conversion is written explicitly.