De Broglie Wavelength

📊 advanced

$$\lambda = \frac{h}{p}$$

Assigns a wavelength to a particle based on its momentum.

Variables & Units

$lambda$

Wavelength

Unit: Meter ($m$)

$h$

Planck's constant

Unit: $6.626 imes 10^{-34} J cdot s$

$p$

Momentum

Unit: $kg cdot m/s$

Key Information

📐 Derived From

Proposal by Louis de Broglie combining $E=hf$ and $E=pc$.

💡 Example

Calculating the wavelength of an electron in an electron microscope.

🔧 Applications

Electron microscopy and quantum chemistry.

⚠️ Constraints

Significant only for subatomic particles.

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