What tool did George Paget Thomson use for his discovery?
Proton diffraction
Electron microscope
Telescope
Electron diffraction
Answer
George Paget Thomson used electron diffraction to discover that electrons can behave as waves. He did this by passing electrons through a thin metal foil and observing the resulting diffraction pattern. This discovery helped to prove the wave-particle duality of matter, which states that all matter has both wave-like and particle-like properties.
The Scientific Odyssey of George Paget Thomson: A Nobel Legacy Quiz
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