2018
= 2018
{scope}
{title2=A11048W1}
{title2=C5}
Source paper: https://www.whatdotheyknow.com/request/oxford_physics_past_papers_2/response/2340696/attach/6/Physics%20Papers%202017.pdf?cookie_passthrough=1#page=52
The original cover identifies 13 June 2018 despite the bundle filename. All six questions and both inline branches are treated. Optical-depth, phase-<velocity> and growth-model conventions are stated where they affect the result.