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Get the Problems and Markschemes: <Here> (there are a bunch more in there too that I didn't assign)
From 2016 to May 2019 (11 total tests including the specimen papers) there have been solidly 18 waves problems. Of those 9 have had to do with slits, gratings, or similar lateral arrays causing interference. Interference is a strong theme so far.
Help with the problems: (Parts roughly correspond to pages)
Problems with slits and gratings: (9 of 18 questions)
1. M16-2-0 #10 Monochromatic Light: Part 1 | Part 2 | Part 3
2. N16-2-0 #5 Two Microwave Transmitters: Part 1 | Part 2 | Part 3
3. N17-2-0 #6 Sodium Lamp: Part 1 | Part 2
4. M18-2-1 #3 Coherent Monochromatic Light: Part 1 | Part 2 | Part 3
Refraction: (3 of 18)
5. N17-2-0 #5a Large Cube: Part 1
6. M19-2-2 #3 Metal Sheet: Part 1 | Part 2 | Part 3
Rayleigh Criterion (2 of 18)
7. N16-2-0 #6 Police Radar: Part 1 | Part 2
Standing Waves: (4 of 18)
8. M18-2-2 #3 Loudspeaker Tube: Part 1 | Part 2
9. N18-2-0 #4 Pipe Open at Both Ends: Part 1 | Part 2 | Part 3
Graph reading and longitudinal waves: (2 of 18)
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