Two-source interference, path difference and Young's double slit

What this note covers

1. Two-source interference and path difference
2. Interference patterns in water and sound
3. Young's double-slit experiment
4. Path difference for light fringes
5. Interference of radio waves and other applications
6. Conditions and evidence: coherence and the wave model
7. Exam technique for interference questions

7 sections · 10 key terms & formulas · 6 common mistakes