1b - The exam paper has a mistake, A is the symbol for atomic mass and Z is the symbol for atomic number (see this wiki https://en.wikipedia.org/wiki/Atomic_....
Paper: https://www.nobraintoosmall.co.nz/NCE...
Answers: https://www.nobraintoosmall.co.nz/NCE...
Website: https://www.mrwhibley.com/
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The current Nuclear Physics standard is an internal. Exam papers are produced by private organisations and are not allowed to be publicly shared. Prior to 2012 however, Nuclear Physics was an external. These past papers are available publicly, so I’m free to make video walkthroughs of them.
0:00 Introduction
0:06 1a
0:19 1b
1:06 1c
1:16 1d
2:10 1e
2:43 1f
3:48 2a
4:26 2b
5:03 2c