Rainbow Mind Map
Exploring the Dual Nature of Radiation and Matter
Dual Nature of Radiation and Matter
Photoelectric Effect
The phenomenon where electrons are emitted from a metal surface when light of sufficient frequency shines on it. This demonstrated the particle nature of light (photons).
Wave-Particle Duality
The concept that all particles exhibit both wave and particle properties. Light shows wave properties (interference, diffraction) and particle properties (photoelectric effect).
De Broglie Hypothesis
Louis de Broglie proposed that matter has wave properties. The wavelength (ฮป) of a particle is given by ฮป = h/p, where h is Planck's constant and p is momentum.
Davisson-Germer Experiment
Experimental confirmation of matter waves by observing electron diffraction patterns from nickel crystals, validating de Broglie's hypothesis.
Heisenberg's Uncertainty Principle
It's impossible to simultaneously measure the exact position and momentum of a particle. ฮx × ฮp ≥ h/4ฯ, showing fundamental limits in quantum measurements.
Compton Effect
The increase in wavelength (decrease in energy) of X-rays when scattered by electrons, demonstrating particle-like behavior of electromagnetic radiation.
Applications
Electron microscopes, quantum computing, photoelectric cells, spectroscopy, and many modern technologies rely on understanding the dual nature of radiation and matter.
Wave-Particle Duality Game
Click on the cells to reveal whether they show wave-like or particle-like behavior. Match three in a row to win!
Click a cell to start!
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