NCEA Level 2 Physics
Atomic and nuclear physics
Prior to 2012, this was an external standard - AS90256. It is likely to be assessed using an internal test from 2012 onwards (although teachers can select from a range of assessment techniques).
There were only minor changes to this standard when it became AS91172 (Fission, fusion and E= mc2). The old external examinations may be useful revision for an internal test.