The uncertainty principle arises from a common-sense idea: To measure something, you must affect it somehow....

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Physics

The uncertainty principle arises from a common-sense idea: Tomeasure something, you must affect it somehow. For instance, whenyou use a pressure gauge to measure air pressure in a car tire yourelease a small amount of air into the gauge.
When you shine a light on an object, the momentum from thephotons that make up that light impacts the object. For macroscopicobjects, this will have no measurable effect. Describe why this isdifferent for atomic-sized objects.
Suppose you shine a very long wavelength light on one electronand a very short wavelength light on another electron. Whatdifferences will you observe?
Why does shining very short wavelength photons on an electronnot tell you exactly where the electron is?
Describe two other examples of situations in which measuringsomething about an object somehow changes it.

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4.3 Ratings (685 Votes)

Uncertainty principle is a quantum phenomenon it means it is applicable for smallquantum and atomic sized object predominantly It is not observable for the macroscopic sized object since measurement in the case of See Answer

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