Written by the Fiveable Content Team โข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโขWritten by the Fiveable Content Team โข Last updated September 2025
Definition
The de Broglie wavelength is the wavelength associated with a moving particle, such as an electron. It relates the particle's momentum to its wavelength and demonstrates the wave-particle duality concept in quantum mechanics.
Related terms
Wave-particle Duality: The concept that particles can exhibit both wave-like and particle-like behavior.
Uncertainty Principle: A fundamental principle in quantum mechanics stating that there is inherent uncertainty in simultaneously measuring certain pairs of physical properties (such as position and momentum) with high precision.
Electron Diffraction: The phenomenon where electrons behave as waves and produce interference patterns when passing through narrow slits or diffracting objects.