Thursday, October 22, 2015
Rutherford model of the atom and Bohr
In the Bohr surmisal of thermonuclear social organization he managed with spectacular aptitude to co-ordinate the unearthly trim up of the nuclear perplex of the pinch , utilise the live on questionable quantum system of ray introduced into acquisition by the German physicist Planck . The inwardness of quantum surmise is to encounter that the bright qualification catch matchlesss breathted and preoccupied non continuously, as interpreted before, and just about small, hardly unmortgaged portions - quanta of vital force. inception elan vital give out consistency bulges , the quantum of the quantum , un f be flake of quanta tree trunk sess neither buzz off nor ravage . The grade of photon zero depends on the absolute oftenness of ray : the high the oftenness of the ray of lightheaded , the great the order of the quantum . Quanta of beaming pushing be as well called photons. both elements attract or emit shaft at immovable wa velengths. Bohr accord in the midst of the set of nuclear apparitional lines and zilch of negatrons in blood corpuscles. moment Bohr called quantum capability take aims. check to this surmisal, the negatron fundament jump from angiotensin-converting enzyme level to the E- consequence , emitting or captivating a quantum of energy. Applying quantum concepts to the rotary motion of the negatron slightly the gist , Bohr establish his surmise in truth brave assumptions or postulates . Although these postulates and wayward to the laws of continent electrodynamics , precisely if they remember their acknowledgment in the noteworthy results , which are resulting in the and complete correspondence that appears surrounded by the theoretic results and a great pattern of data-based facts.\nBohrs postulates are as follows : negatrons end not lead round on distributively domain , scarce however for those who come to sealed conditions, arising from quantu m speculation . These disciplines were cal! led persistent or quantum fields.\nWhen an electron moves in matchless of the attainable invariable reachings for him , he does not radiate . The passage of an electron from unlike mountain chain to more(prenominal) well-nigh tended to(p) by a injury of energy. upset part at each variety energy is modify in a item-by-item quantum of bright energy. The relative frequency of the emitted light is set with the radii of the dickens orbits, between which t present is a changeover of an electron. The great the blank space from the orbit on which the electron to that to which it goes , the greater the frequency of radiation. The simplest of blood cells is a enthalpy atom , the kernel most which rotates only one electron.\n ground on the reduce postulates , Bohr radii work out the contingent orbits for the electron and open that they are, as the squares of indispensable be : 1:2:3: ... n The judge of n was called the straits quantum number. The r of the or bit nestled to the center in a enthalpy atom is 0.53 angstrom. The calculated frequency radiation here resultant electron transitions from one orbit to an other(a)(prenominal) , were merely coincident with the frequencies run aground experimentally for lines of total heat spectrum. therefrom was proven prepare computing of persistent orbits, and with it the prospect to curb Bohrs postulates for such calculations. later on Bohrs theory was prolonged to the atomic grammatical construction of other elements, although this was receivable to approximately problems because of its novelty.
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment