Physics · A-Level · AQA · AQA A-level Physics (7408) · Specification point · 3.12.2.4 · Turning points in physics (A-level only) · Wave-particle duality (A-level only)
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3.12.2.4 The discovery of photoelectricity (A-level only)
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The ultraviolet catastrophe and black-body radiation. Planck’s interpretation in terms of quanta. The failure of classical wave theory to explain observations on photoelectricity. Einstein’s explanation of photoelectricity and its significance in terms of the nature of electromagnetic radiation. |