ALL of AQA Waves in 72 Minutes - Paper 1 A level Physics Revision

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In this video we go over the whole of AQA waves specification in A Level Physics. It is also applicable to other exam boards such as OCR A Level Physics, Edexcel, Eduqas, WJEC, CIE etc.

In this video we cover:
00:00 Oscillation of particles in medium - basic terms
01:38 Phase of a Wave
03:13 Phase Difference
03:57 Example Question - Phase Difference
05:41 Phase Difference Formulae
06:45 Transverse and Longitudinal Waves
07:48 Polarisation
09:30 Polarisation application - Polaroids
12:00 Polarisation application - aerials and transmitters
13:15 Stationary Waves - Formation
13:41 Differences between stationary and progressive waves
15:40 Phase in Stationary Waves
17:53 Harmonics
20:42 Example Problem - Stationary Waves
22:55 The First Harmonic Equation
26:13 Mass per unit length
27:44 The principle of superposition
29:07 Path Difference
31:19 Coherence
33:06 Young's Double Slit Experiment
35:23 Conditions for Interference
36:51 Fringe Separation Equation
37:57 Derivation of Fringe Separation Equation
42:08 Superposition Example Problem
44:13 Conditions for a Maximum - Example
45:43 Conditions for a Minimum - Example
46:43 Fringe Separation Equation Example
48:40 Interference using white light
50:34 What is diffraction?
51:06 Diffraction from a single slit from monochromatic source
51:54 Diffraction from a single slit from white light
52:51 Variation of Central Maximum Width
53:58 Diffraction Grating Equation
57:35 Maximum number of Fringes in diffraction grating
01:00:14 Derivation of Diffraction Grating Equation
01:02:30 Safety in Lasers
01:03:22 Refractive Index
01:07:12 Snell's Law of Refraction
01:07:33 Total Internal Reflection and Critical Angle
01:10:12 Fibre Optic Cables - modal and material dispersion