Quantim Theory Term paper
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Quantim Mechanics is abranch of mathematical physics that deals with the
emission and absorption of energy by matter and with the motion of material
particles. Because it holds that energy and matter exist in tiny, discrete
amounts, quantum mechanics is particularly applicable to Elamentry Pprticlesand
the interactions between them. According to the older theories of classical
physics, energy is treated solely as a continuous phenomenon and matter is
assumed to occupy a very specific region of space and to move in a continuous
manner. According to the quantum theory, energy is emitted and absorbed in a
small packet, called a quantum (pl. quanta), which in some situations behaves as
particles of matter do; particles exhibit certain wavelike properties when in
motion and are no longer viewed as localized in a given region but as spread out
to some degree. The quantum theory thus proposes a dual nature for both waves
and particles, with one aspect predominating in some situations and the other
predominating in other situations. Quantum mechanics is needed to explain many
properties of matter, such as the temperature dependence of the specific heat of
solids, as well as when very small quantities of matter or energy are involved,
as in the interaction of elementary particles and fields, but the theory of
Relativity assumes importance in the special situation where very large speeds
are involved. Together they form the theoretical basis of modern physics. (The
results of classical physics approximate those of quantum mechanics for large
scale events and those of relativity when ordinary speeds are involved.) Quantum
theory was developed principally over a period of thirty years. The first
contribution was the explanation of blackbody radiation in 1900 by Max Planck,
who proposed that the energies of any harmonic oscillator, such as the atoms of
a blackbody radiator, are restricted to certain values, each of which is an
integral (whole number) multiple of a basic minimum value. Over the years there
has been a number of models that were supposed to have been atomicly correct.
Right now we are currently useing the Schrodinger model to show the atomic
structure of an atom. There also was other models of the atomic structure of an
atom but they were wrong. They were wrong because at those times there was not
enough tecknoladgy around to ptove other wise. The names of the major noted
scientists that had made a model of the atomic structure of an atom, are Bohr,
Rutherford, Thompsom, and Schrodinger. The current atomic theory is that
Schrodinger and the other scientists abandoned the idea of precise orbits, and
replaced it with a discription regions called orbitals. We have been useing that
same theory for almost eighty years now and it looks like we are not going to
change it still. Shrodinger's modelwas basically a cloud of sub atomic particles
in orbit around a nucleus. The electrons moved in orbit around the nucleus but
also moved in tiny orbitals. These orbitals are revolutions around possibly
another subatomic particle while in orbit around the nucleus which is holding
protons, neutrons, and other...
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