Monday, November 4, 2013

Hum 300 History And Methods Of Science

7 . What is antimatter and how do we know it existsAntimatter is a matter marque up of antiparticles . Antiparticle is a subatomic particle that has the identical cumulation as another particle and friction match but frosty values of some other property or properties . For drill the antiparticle of the electron is the antielectron , which has a positively charged electric quiver equal in order to the electron s ostracize perpetrate . The antiproton has a negative jerk equal to the proton s positive charge The neutron and the antineutron behave magnetic moments opposite in sign relation back to their spins antiparticle A Dictionary of Physics . Ed . John Daintith . Oxford University kettle of fish , 2000Carl David Anderson was the showtime to experimentally discover antiparticles in 1932 . He began to speculate cosmic rays by photographing their tracks in a cloud domiciliate and noteworthy that particles of positive charge occurred as abundantly as those of negative charge .
bestessaycheap.com is a professional essay writing service at which you can buy essays on any topics and disciplines! All custom essays are written by professional writers!
The negative particles were clearly electrons but those of positive charge could not be protons (the only positive particles cognise at the time ) as they did not produce fit ionization in the chamber . Eventually Anderson concluded that such(prenominal) results could logically be interpreted only in foothold of particles of a positive charge and a mass of the same of magnitude as that normally possessed by a exculpate negative electron . It was in fact the positron or positive electron , whose existence he anno! unce in September 1932 Anderson , Carl David A Dictionary of Scientists . Oxford University Press , 1999 . Oxford reference work Online . Oxford University Press...If you necessitate to get a full essay, order it on our website: BestEssayCheap.com

If you want to get a full essay, visit our page: cheap essay

No comments:

Post a Comment

Note: Only a member of this blog may post a comment.