📚 Edexcel Physics: Fundamentals of Quantum Physics – Key Exam Points | Edexcel物理：量子物理基础 考点精讲
Quantum physics revolutionised our understanding of the microscopic world, introducing quantised energy and wave-particle duality. For Edexcel A Level Physics, you need a solid grasp of photons, the photoelectric effect, de Broglie wavelength, and atomic energy levels. This article summarises the essential exam points, with clear explanations and dual-language support to boost your confidence.
量子物理学彻底改变了我们对微观世界的认知，引入了量子化能量和波粒二象性。对于Edexcel A Level物理，你需要扎实掌握光子、光电效应、德布罗意波长和原子能级。本文总结关键考点，配合清晰解释和中英双语讲解，助你从容应考。
1. Photons and Planck’s Equation | 光子与普朗克方程
Light is quantised into packets called photons. The energy of a single photon is given by E = hf, where h = 6.63 × 10⁻³⁴ J s (Planck’s constant) and f is the frequency. Since c = fλ, we can also write E = hc/λ. Photon energy is proportional to frequency and inversely proportional to wavelength.
光是量子化的，由光子组成。单个光子的能量公式为 E = hf，其中 h = 6.63 × 10⁻³⁴ J s（普朗克常数），f 是频率。由于 c = f
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