22.2b Ex5 MJ20 P41 Q11 Electron Positron Interaction | A2 Quantum Physics | CAIE A Level Physics скачать в хорошем качестве

22.2b Ex5 MJ20 P41 Q11 Electron Positron Interaction | A2 Quantum Physics | CAIE A Level Physics

Example 5 - 9702/41/M/J/20: An electron, at rest, has mass me and charge –q. A positron is a particle that, at rest, has mass me and charge +q. A positron interacts with an electron. The electron and the positron may be considered to be at rest. The outcome of this interaction is that the electron and the positron become two gamma-ray (γ-ray) photons, each having the same energy. #9702s20p41 #Lv3 #A2waveParticleP4 (a) Calculate, for one of the γ-ray photons: (i) the photon energy, in J (ii) its momentum. #A2massEnergyP4 (b) State and explain the direction, relative to each other, in which the γ-ray photons are emitted. #A2momentumP4 #A2quantumPhysics Playlist:    • Ch22 Quantum Physics | CAIE 9702 A2 Physics   Instagram Pocket Guide (  / etphysics  ) More Resources (https://9702-physics.blogspot.com/) Support us! (  / etphysics  ) Tuition/Tutoring inquiries: Email: suitlin@gmail.com Whatsapp: https://wa.me/60126679171 9702_s20_qp41 May/June 2020 #CambridgeALevelPhysics