Closed pipe example - λ = 1.04m, not 1.1m
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Previous version: https://youtu.be/aa9LUoqusDM
0:00 Introduction
0:09 Wave motion
1:47 Period and frequency
3:02 Wave speed
4:26 Types of waves
5:15 Light
7:08 Sound
8:14 Phase
10:09 Superposition
11:17 Standing waves
12:40 DEMONSTRATION: Singing bowl
13:54 String harmonics
17:31 DEMONSTRATION: Waves on a string
18:42 DEMONSTRATION: Guitar harmonics
19:33 Open pipe harmonics
22:30 Closed pipe harmonics
25:43 DEMONSTRATION: Ruben’s tube
26:46 Why closed pipes don’t from even harmonics
28:47 DEMONSTRATION: Tuning fork resonance
29:08 Timbre
30:21 Beating
31:51 DEMONSTRATION: Beating
32:42 Diffraction
33:48 2D interference patterns
35:36 Path difference
37:48 Diffraction formula
41:53 DEMONSTRATION: Diffraction LEDs
42:13 Multiple slit interference
46:22 DEMONSTRATION: Smoke machine diffraction
46:49 DEMONSTRATION: Maximum order number
47:43 Secondary maxima
48:20 DEMONSTRATION: Secondary maxima
49:41 The Doppler effect
52:26 APPLET: The Doppler effect
53:10 Doppler graphs
