Calculateur de longueur d'onde de De Broglie
Longueur d'onde de De Broglie d'une particule.
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Introduction
De Broglie Wavelength Calculator — A particle's de Broglie wavelength. Enter Mass (kg), Velocity (m/s) to get an instant, accurate result.
Formule
The de Broglie wavelength is calculated as λ = h / (m × v), where h is Planck's constant, m is the particle's mass, and v is its velocity.
Étape par étape
- Enter the Mass (kg).
- Enter the Velocity (m/s).
- Click Calculate to see your result instantly.
Exemple concret
Example: With Mass (kg) = 0.001, Velocity (m/s) = 10, the De Broglie Wavelength Calculator gives Wavelength M: 0.
Questions Fréquentes
What is the de Broglie wavelength?
Proposed by French physicist Louis de Broglie in 1924, this concept assigns a wavelength to any moving particle with mass, reflecting the wave-particle duality central to quantum mechanics.
Why don't we notice the wave nature of everyday objects?
Because Planck's constant is extremely small, the de Broglie wavelength of macroscopic objects (like a thrown ball) is immeasurably tiny, so their wave behavior is undetectable — it only becomes significant for subatomic particles like electrons.
What units does this calculator use?
Enter mass in kilograms (kg) and velocity in meters per second (m/s) to get wavelength in meters (m), typically resulting in extremely small values for everyday objects.
What inputs does the De Broglie Wavelength Calculator need?
You'll need to provide: Mass (kg), Velocity (m/s). All fields use sensible defaults, so you can see a working example immediately and then adjust the values to match your own numbers.
How accurate is the De Broglie Wavelength Calculator?
The De Broglie Wavelength Calculator applies the formula exactly as calculated — The de Broglie wavelength is calculated as λ = h / (m × v), where h is Planck's constant, m is the particle's mass, and v is its velocity. — so results are precise for the inputs you provide. Accuracy depends on entering correct, realistic input values.
Is the De Broglie Wavelength Calculator free to use?
Yes, the De Broglie Wavelength Calculator is completely free, requires no signup, and runs instantly in your browser.
À propos de Calculateur de longueur d'onde de De Broglie
The De Broglie Wavelength Calculator uses a real, verifiable formula — The de Broglie wavelength is calculated as λ = h / (m × v), where h is Planck's constant, m is the particle's mass, and v is its velocity. — so results are accurate every time, not an approximation.