Unit 1 · The Classical World Cracks

Chapter02

Waves 101: The Mathematics of Wiggles

Amplitude, wavelength, interference — the vocabulary every quantum idea is written in

Quantum Academy · presented by Dr. Quincy Quantenstein

CH 02X–Y
Play lesson · 38 min
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Watch the lesson · Unit 1: The Classical World Cracks

Waves 101: The Mathematics of Wiggles

Amplitude, wavelength, interference — the vocabulary every quantum idea is written in

  • ≈ 38 min
  • 55 scenes
  • Narrated by Dr. Q
  • Captions

Generated from the same script as the written lesson, so every word matches the text. Uses your device's voice when it has one; without one, the lesson plays silently with captions. Keys: Space play · ← → scenes · C captions · F full screen.

By the end you'll be able to

  1. Define amplitude, wavelength, period, frequency and phase, and use v = fλ to connect them
  2. Place any electromagnetic wave on the spectrum and convert between its frequency and wavelength with c = fλ
  3. Predict constructive or destructive interference from a path difference, and explain how Young's fringes revealed the wave nature of light
  4. Explain why intensity is proportional to amplitude squared, and why amplitudes must be added before squaring
  5. Represent a wave as a rotating arrow, or phasor, and add waves using complex numbers and e^(iθ)
  6. Explain why confining a wave allows only a discrete set of wavelengths, the seed of quantization