How to sit these
Close the notes. Time yourself for 30 minutes. Write on paper or print the script. Measure every angle from the normal in your head even when the diagram is already drawn. Convert cm and MHz before you substitute.
Print every script in this topic set with the Print all papers button.
Paper 1
Pond ripples
$2.5\,\text{Hz}$ water waves; glass $i=42^\circ$; UV and a fibre; glass-block method.
25 marks · 30 minutes →
Paper 2
Radio mast
$150\,\text{MHz}$ radio; perspex $i=35^\circ$; microwaves; practical errors.
25 marks · 30 minutes →
Paper 3
Swimming pool
$680\,\text{Hz}$ sound; water $i=50^\circ$; X-rays and a prism; $n$ from a table.
25 marks · 30 minutes →