The discussion centers around the implications of using photons to measure a particle's position and momentum in the context of the uncertainty principle in quantum mechanics. Participants explore the relationship between photon wavelength and measurement accuracy, as well as the effects of measurement on the particle's momentum.
Participants express differing views on the feasibility of back correcting measurements based on photon wavelength, with no consensus reached on the implications of such corrections or the extent to which they could improve measurement accuracy.
Limitations include the dependence on the definitions of measurement accuracy and the uncertainty principle, as well as unresolved questions about the mathematical implications of photon interactions with particles.
Because you can't. Using a longer wavelength means having a not very focused image of a point: you see a disk instead of a point and the disk diameter increases with wavelength.bstacey said:I'm sort of new to quantum mechanics and was wondering that when we use a photon (light) to measure a particle for its velocity (momentum) with varying wavelenghts depending on the accuracy we want, why can't we back correct to take into consideration the wavelength of the photon when finding out the probability of the position? Hence making it's position more accurate or even exact?