Question
When the velocity of an electron increases, its de Broglie wavelength:
✓
Answer
- Decreases
$\lambda_\text{D}=\frac{\text{h}}{\text{p}}=\frac{\text{h}}{\text{mv}}$
$\lambda\propto\frac{\text{1}}{\text{v}}$
velocity of an electron increases, its de Broglie wavelength decreases.
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