what is Planck' Length
Answers
Answer:
In physics, the Planck length, denoted ℓP, is a unit of length that is the distance light in a perfect vacuum travels in one unit of Planck time. It is also the reduced Compton wavelength of a particle with Planck mass. It is equal to 1.616255×10⁻³⁵ m.
Unit of: Length
Imperial/US units: 6.3631×10−34 in
SI units: 1.616255(18)×10−35 m
Unit system: Planck units
Natural units: 11.706 ℓS; 3.0542×10−25 a0
1 ℓP in: is equal to
Symbol: ℓP
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Answer:
In physics, the Planck length, denoted ℓP, is a unit of length that is the distance light in a perfect vacuum travels in one unit of Planck time. It is also the reduced Compton wavelength of a particle with Planck mass. It is equal to 1.616255(18)×10−35 m.[1] It is a base unit in the system of Planck units, developed by physicist Max Planck. The Planck length can be defined from three fundamental physical constants: the speed of light in a vacuum, the Planck constant, and the gravitational constant. It is the smallest distance about which current experimentally corroborated models of physics can make meaningful statements.[2] At such small distances, the conventional laws of macro-physics no longer apply, and even relativistic physics requires special treatment.[3] Contrary to popular belief planck length may not be the shortest unit of length possible in spacetime.[4]