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==Key Stage 5==
===Meaning===
The [['''de Broglie wavelength]] ''' is the [[wavelength]] associated with a [[particle ]] (an object with mass) and is [[Inversely Proportional|inversely proportional ]] to its [[momentum]], demonstrating the Wave-Particle Duality|wave-like nature ]] of [[matter]].
===About de Broglie Wavelength===
*The '''de Broglie wavelength''' suggests that [[particle]]s such as [[electron]]s have [[wave]] properties.
*The '''de Broglie wavelength''' is confirmed by experiments such as [[Electron Diffraction|electron diffraction]] through a crystal.
*The '''de Broglie wavelength''' is fundamental to the development of [[Quantum Mechanics|quantum mechanics]].
*The '''de Broglie wavelength''' applies to all [[particle]]s, including [[macroscopic]] [[objects]], but the [[wavelength]] is significant only for very small [[particle]]s like [[electron]]s.
*<math>\lambda =\frac {h} {𝑝}</math> *<math>\lambda ==Formula===\frac {h} {mv}</math> Where: 𝜆 is the '''de Broglie''' [[wavelength]], ℎ is the [[Planck Constant]], 𝑝 is the [[momentum]] of the [[object]]
===Examples===