
Uncertainty principle - Wikipedia
The uncertainty principle, also known as Heisenberg's indeterminacy principle, is a fundamental concept in quantum mechanics. It states that there is a limit to the precision with which certain pairs of …
7.3: The Heisenberg Uncertainty Principle - Physics LibreTexts
Mar 16, 2025 · Heisenberg’s uncertainty principle is a key principle in quantum mechanics. Very roughly, it states that if we know everything about where a particle is located (the uncertainty of position is …
Uncertainty principle | Definition & Equation | Britannica
Dec 5, 2025 · Uncertainty principle, statement that the position and the velocity of an object cannot both be measured exactly, at the same time, even in theory. The very concepts of exact position and …
Heisenberg Uncertainty Principle - Science Notes and Projects
Jan 1, 2025 · Learn about the Heisenberg uncertainty principle in physics. Get its definition, simple explanation, formulas, and worked example problems.
What Is the Uncertainty Principle? Heisenberg Uncertainty Principle ...
German physicist and Nobel Prize winner Werner Heisenberg created the famous uncertainty principle in 1927, stating that we cannot know both the position and speed of a particle, such as a photon or …
Heisenberg Uncertainty Principle - Definition, Equation, Significance ...
Jul 23, 2025 · Heisenberg's Uncertainty Principle says that the accuracy of the positions and momentums of a particle has a scaling limit. This principle applies to all particles, including matter …
The Uncertainty Principle - Stanford Encyclopedia of Philosophy
Oct 8, 2001 · According to quantum mechanics, the more precisely the position (momentum) of a particle is given, the less precisely can one say what its momentum (position) is. This is (a simplistic …
Understanding the Heisenberg Uncertainty Principle - ThoughtCo
Apr 28, 2025 · Heisenberg's uncertainty principle describes how precisely we can measure certain properties of quantum systems. In 1927, Werner Heisenberg discovered limits on how well we can …
Uncertainty principle - HyperPhysics
Uncertainty principle
What Is the Uncertainty Principle in Quantum Mechanics?
May 24, 2025 · Today, the Uncertainty Principle remains central not only to quantum mechanics but to the broader understanding of nature. It tells us that the universe isn’t clockwork; it’s more like a …