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Atomic01 - University of Cape Town

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PHY322S Atomic Physics .<br />

Wave particle duality<br />

There are therefore now two theories <strong>of</strong> light, both indispensable, and<br />

without any logical connection. - Einstein (1924)<br />

Evidence for wave-nature <strong>of</strong> light: Diffraction and interference<br />

Evidence for particle-nature <strong>of</strong> light:<br />

effect<br />

Photoelectric effect, Compton<br />

25

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