3I Quantum Physics | Unit 2 Waves and Electricity | IAL AS/A Level Physics

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▪️This video is provided the physics revision that follows syllabus of Pearson Edexcel International Advanced Level (IAL) Physics
▪️Candidates for Pearson Edexcel International Advanced Level (IAL) Physics study the following topics:
UNIT 2
Topic 3: waves and electricity
3A Basics of waves
3B Refraction of waves
3C Ultrasound
3D Polarisation of waves
3E Superposition and Standing waves
3F Diffraction of waves
3G Interference of waves
3H Diffraction grating
3I Quantum Physics
Topic 4: Electricity
4A Electric current
4B EMF and PD
4C Resistance
4D Electrical Power
4E series and parallel circuits
4F Internal resistance of power supply
4G Potential divider

▪️Timestamps
0:00 introduces of syllabus
0:51 EM wave behaves as waves and particle
3:01 Momentum and energy of photon
5:31 Photoelectric effect
8:25 Investigate the energies of photoelectrons
12:01 Explanation the photoelectric effects using wave theory
13:37 Explanation the photoelectric effects using Einstein’s theory
17:31 Wave-particle duality
18:48 Electrons diffraction
21:47 Energy levels of gas atoms
24:43 Emitted spectra
26:24 Absorption spectra

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