wave packet hard

Question

Localization of particle associated with superposition forming:

RankGuru · Accepted Answer

A pure sine wave (infinite plane wave) has a perfectly defined momentum but is infinitely spread out in space ($x$ is completely unknown).
- A localized physical particle is represented by a **Wave Packet**, which is formed by the superposition of many waves with slightly different frequencies and wavelengths.
- The constructive interference creates a pulse (packet) confined to a small region of space.

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wave packet hard

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