2018
= 2018
{scope}
{title2=A15090W1}
Source paper: https://www.whatdotheyknow.com/request/oxford_physics_past_papers_2/response/2340696/attach/6/Physics%20Papers%202017.pdf?cookie_passthrough=1[Public Oxford source bundle, pages 104–106]. The bundle filename says 2017, but this paper's cover is dated 12 January 2018. The year follows the cover. All four questions are solved, including the optional choice.