Physics

De Broglie Wavelength Calculator

Find the matter wavelength of a moving particle.

Parameters Live Compute
Calculated Output
Wavelength 0
Formula: λ = h ÷ (m · v)
Step-by-Step Breakdown
1. Values used:
2. Mass = 0
3. Velocity = 1,000,000
4.
5. Wavelength = Mass x Velocity = 0 x 1,000,000 = 0
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Every moving particle has a wavelength — tiny for big objects, significant for electrons.

The math behind it

λ = Planck's constant ÷ (mass × velocity).

Worked Example

Electron at 10⁶ m/s → ~0.73 nm.

Frequently Asked Questions

Why don't we see it?

For everyday masses the wavelength is unimaginably small.

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