Paper 1 (source code)

= Paper 1
{scope}

https://www.maths.cam.ac.uk/undergradnst/files/2001/PaperNST_IB_1.pdf[Original examination paper]

These solutions cover all eleven questions and every printed subpart. The qualification needed at $\kappa=0$ in Question 8 and the limiting interpretation of the ray displacement in Question 10 are explained with their solutions.