 2019

Source paper: www.whatdotheyknow.com/request/oxford_physics_past_papers_2/response/2340696/attach/7/Physics%20Papers%202018.pdf?cookie_passthrough=1#page=58

The dated cover identifies 22 June 2019 despite the public bundle filename. All optional branches are solved. Graph readings are approximate; conflicting printed chain parameters and kinetic assumptions are distinguished explicitly below.