World 5 · Wave Interference · 8 min · PROFringe spacing
Δy = λL/d for small angles
PRO · Light & Optics
World 5: Wave Interference is part of PRO
The first world of Light & Optics is free. PRO opens the other 43 lessons in 5 worlds — simulations, quizzes and all.
PRO includes
- All 26 labs — every world, every lesson
- Practice exams and certificates
$8.33/mo, billed yearly ($99.99) · or $39.99 monthly