๐Ÿงฒap physics 2 review

De Broglie Wavelength

Written by the Fiveable Content Team โ€ข Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examโ€ขWritten by the Fiveable Content Team โ€ข 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.