Edexcel IGCSE Physics (9-1) Unit 3 Waves revision 4PH1 #igcse_physics

#pla_academy #igcse_physics #edexcel_igcse_physics #waves #wavesounds #eletromagnetic_spectrum
This video is provided the physics revision that follows syllaby as Pearson Edexcel International GCSE Physics (9-1) 4PH1 which exam first in 2019

Outline for Unit 3 Waves
0:00 ▶️ Properties of waves
0:32 Transverse waves and longitudinal waves
3:06 Describing waves
6:20 Reflection of waves
8:36 Refraction of waves
11:50 Doppler effect
12:42 ▶️ Electromagnetic spectrum
13:14 Electromagnetic spectrum
15:30 Uses of electromagnetic waves
18:55 Harmful of electromagnetic waves
21:57 ▶️ Light and sound
22:25 Properties of light
22:48 Reflection of light
24:22 Refraction of light
25:44 Refractive index
28:30 Critical angle and total internal reflection
30:13 Uses of the total internal reflection
32:21 Optical fibres
33:50 Sound waves
37:15 Reflection of sound waves
39:20 Refraction of sound waves
40:45 Pitch and frequency, Loudness and amplitude
41:45 Investigate frequency of sound using oscilloscope

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