Enter the mass, velocity, and plank’s constant into the calculator to calculate the De Broglie Wavelength.

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## De Broglie Wavelength Formula

The following equation is used to calculate a de broglie wavelength.

L = h / (m*v)

- Where L is the wavelength
- h is Plank’s constant (6.6262 X 10 & -34 Js)
- m is the mass (grams)
- v is the velocity (m/s)

To calculate the wavelength from De Broglie’s formula, divide Plank’s constant by the product of the mass and velocity.

## De Broglie Wavelength Definition

A De Brolie wavelength is a law that states all matter exhibits wave-like behavior, and therefore you can calculate the wavelength using the equation.

## De Broglie Wavelength Example

How to calculate De Broglie Wavelength?

**First, determine the mass.**Measure the mass of the object or material.

**Next, determine the velocity.**Calculate the velocity of the matter.

**Finally, calculate the De Broglie Wavelength.**Calculate the wavelength using the formula above.

## FAQ

**What is the de Broglie wavelength equation?**

The de Broglie wavelength equation is (lambda = frac{h}{mv}), where (lambda) is the wavelength, (h) is Planck’s constant, (m) is the mass of the particle, and (v) is the velocity of the particle. This equation describes the wave-particle duality of matter, suggesting that every object has wave-like properties.

**How does the de Broglie wavelength apply to everyday objects?**

While the de Broglie wavelength is a fundamental concept in quantum mechanics, its effects are most noticeable in particles at the atomic or subatomic level due to their extremely small mass. For everyday objects, which have a much larger mass, the wavelength is so short that wave-like properties cannot be observed.

**Can the de Broglie wavelength be observed directly?**

Direct observation of the de Broglie wavelength is challenging and typically requires sophisticated experimental setups, such as electron microscopes or double-slit experiments with particles. These setups allow scientists to observe interference patterns that result from the wave-like behavior of particles, indirectly indicating the presence of a de Broglie wavelength.