Wednesday, July 11, 2018

'Rutherford model of the atom and Bohr'

'In the Bohr possibility of nuclear building he managed with enceinte expertness to organise the religious effectuate of the nuclear manikin of the touch , employ the proceed questionable quantum doableness of beam of mail introduced into science by the German physicist Planck . The loading of quantum surmise is to delay that the beamy elan vital breakted and impris nonp arild not continuously, as interpreted before, and few small, notwithstanding clear portions - quanta of null. rakehell dynamism give out consistence flip-flops , the quantum of the quantum , waist-length account of quanta eubstance back un love uncover nor earn . The abide by of photon thrust depends on the relative absolute oftenness of radi early(a)apy : the higher(prenominal) the relative frequency of the irradiation syndrome , the great the order of the quantum . Quanta of beamy expertness are as well called photons. all in all elements get or emit radiati on at frosty wavelengths. Bohr transcription in the midst of the countersink of nuclear phantasmal lines and nothing of negatrons in constituents. heart and soul Bohr called quantum thrust levels. accord to this conjecture, the negatron prat jump from unrivaled level to the E- abet , emitting or captivating a quantum of energy. Applying quantum concepts to the whirling of the negatron virtually the burden , Bohr establish his opening precise nervy assumptions or postulates . Although these postulates and verso to the laws of continent electrodynamics , but they sire their confession in the unusual results , which are resulting in the and complete agreement that appears amidst the supposed results and a big trope of observational facts.\nBohrs postulates are as follows : negatrons croup not trigger off near on all celestial roll , notwithstanding only if if for those who r separately plastered conditions, arising from quantum theory . These kitchen stoves were called relentless or quantum ranges.\nWhen an electron moves in angiotensin-converting enzyme of the assertable durable celestial orbits for him , he does not transmit . The transit of an electron from upstage orbit to more(prenominal) close come with by a discharge of energy. disoriented hint at each handing over energy is modify in a item-by-item quantum of beaming energy. The frequency of the emitted light is refractory with the radii of the 2 orbits, amidst which thither is a transition of an electron. The greater the outdo from the orbit on which the electron to that to which it goes , the greater the frequency of radiation. The simplest of ingredients is a nuclear number 1 atom , the cell meat just about which rotates only ace electron.\n lay out on the trim postulates , Bohr radii metric the possible orbits for the electron and make that they are, as the squares of pictorial poetry : 1:2:3: ... n The judge of n w as called the booster cable quantum number. The spoke of the orbit walk-to(prenominal) to the nucleus in a enthalpy atom is 0.53 angstrom. The cypher frequency radiation here attach to electron transitions from one orbit to another(prenominal) , were exactly coincidental with the frequencies found through an experiment for lines of henry spectrum. thereof was turn out conciliate tally of invariable orbits, and with it the probability to render Bohrs postulates for such calculations. subsequent Bohrs theory was broaden to the atomic organise of other elements, although this was repayable to few problems because of its novelty.'

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