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The Width of De Broglie Packet Calculator will calculate the:

- Width of De Broglie packet when particle's mass and speed in two different instants are given

**Calculation Parameters:** Medium of propagation is assumed as vacuum

Width of wave packet (Δk) |

Width of wave packet (Δk) calculation |
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∆k = 2π ∙ m · (v - v_{0})/h∆k = (2 × ) ∙ · ( - )/∆k = ∙ · /∆k = /∆k = |

De Broglie Packet Calculator Input Values |

Mass of particle (m) kg [kilogram] |

Initial speed of particle (v_{0}) m/s [metre per second] |

Final speed of particle (v) m/s [metre per second] |

Planck's constant (h) J · s [Joule per second] |

Archimedes' Constant (π) |

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Section 1: Units and Measurements

∆k = *2π ∙ m · (v - v*_{0})*/**h*

This formula derives from

∆k = *2π ∙ ∆p**/**h*

where Δp = m · Δv = m · (v - v_{0}) is the change in particle's momentum.

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