By The Pluto
THE BASIC IDEA OF THE ‘UNCERTAINTY PRINCIPLE’.
The Uncertainty Principal is a concept within the framework of Quantum Mechanics (The physics of very very small objects). In February,1927 Werner Heisenberg
The Heisenberg’s Uncertainty principle is a concept within the framework of Quantum Mechanics (The physics of very very small particles). In February,1927 , the young Werner Heisenberg developed a key piece of quantum theory, The Uncertainty Principal , with profound implications.
WHAT IS THE ‘UNCERTAINTY PRINCIPAL’?
In simple words , the ‘Heisenberg’s Uncertainty Principal ‘states that the more accurately you measure the momentum (velocity) of a particle, the less accurately you can know its position and vice versa (the more accurately you measure the position of a particle, the less accurately you can measure the momentum of it ).
Let’s give a little bit scientific definition : There is a fundamental and universal limit to how much we can know about pairs of quantities known as ‘Conjugate Variables’. Here in this theory conjugate means related or linked with each other in a very specific way and variables mean quantities that vary . Here we will use the quantities — position (x) and momentum (y). Momentum here is directly related to a particle’s velocity. Though we know momentum and speed are two slightly different things. Here we will use the two terms interchangeably. So the principle is — if we take our position in position which we will call ‘Δx’and multiply it by the uncertainty of momentum which is ‘Δp’ and if we multiply them ‘Δp * Δx ‘then will be equal to or more than ℏ\2 . So the equation is ‘ΔpΔx ≥ ℏ\2’. [ℏ = h\2π]
BREAKING IT DOWN!
This great but confusing equation is telling us that the multiplication of these two uncertainties has to be greater than or equal to ‘ℏ\2’. So, it is obvious that we can not make both quantities as small as we want to be . So, if we want to make Δx smaller then the other quantity Δp has to get much bigger . We can not make two of them arbitrarily small. We can make one of them arbitrarily small.
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