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CSCA PhysicsChapter 5: Modern PhysicsIntermediate

Photoelectric Effect, Atomic Structure & Nuclear Physics

光电效应、波尔氢原子模型与原子核物理基础 · Node 5.1

Work function, stopping potential, Bohr quantized energy levels, alpha/beta/gamma decays, mass defect, and binding energy.

Chapter Weight: 10% of official examination
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Core Mathematical Axiom

Formula Proof & Traps
Ekmax​=hν−W0​=eVs​,En​=n2E1​​,hν=Em​−En​,ΔE=Δmc2
CSCA Exam Trap Alert

Believing that increasing light intensity can liberate photoelectrons if the incident light frequency is below the threshold \nu_0.

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