3 edition of **On the quantum theory of line-spectra** found in the catalog.

On the quantum theory of line-spectra

Niels Bohr

- 90 Want to read
- 21 Currently reading

Published
**1918** by A. F. H©ıst & s©ın in K©ıbenhavn .

Written in English

- Spectrum analysis.,
- Quantum theory.,
- Hydrogen.

**Edition Notes**

Statement | by N. Bohr ... |

Series | D. Kgl. danske vidensk. selsk. skrifter. Naturvidensk. og mathem. afd. 8. r©Œakke, IV, 1, Skrifter, naturvidenskabelig og mathematisk afdeling -- 8. R©Œkke, IV, 1. |

The Physical Object | |
---|---|

Pagination | 118 p. ; |

Number of Pages | 118 |

ID Numbers | |

Open Library | OL14247605M |

Abstract Balmer Series of Hydrogen.-(1) A rigid comparison of experimental with theoretical results is the main purpose of the paper. It is concluded that Merton's measurements of the separation, half-width and relative intensity of the H α and H β doublets check with values derived from the recent Bohr-Kramers developments of the quantum theory, if a general field of volts per cm. is. How does quantum theory explain the line spectra of atoms? How does quantum theory explain the line spectra of atoms? a. The lines in the spectra arise from changes in the electron's wave function. b. The lines in the spectra arise from an electron rising to a higher subshell (that is, the value of l). c. Free 2-day shipping. Buy On the Quantum Theory of Line-Spectra, Vol. 1 (Classic Reprint) at nd: Niels Henrik David Bohr. QUANTUM THEORY OF RADIATION 91 troduce for this purpose a new variable v, canonically conjugated to u„by means of the usual rules 88'. Vs = BQ, 0 s ~ 8~c2 The energy (6) becomes in the Hamiltonian form Sic~ e,2 0 w. = g + 2' P I 0 2 8wc' From this Hamiltonian we get the canonical equations (7) BW, 8xc' &sj &s = Bv, 0 BW, 0 4x'2&s2Qs ~ 8xc2 If we eliminate v, from these equations, we get .

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Bohr closely traces the analogy between quantum theory and ordinary theory of radiation. editions. This classic work by the Nobel Laureate elaborates on the correspondence principle, discussing the theory's applications from a uniform point of view and considering the underlying assumptions in their relations to ordinary mechanics and 3/5.

On the Quantum Theory of Line-Spectra (Dover Books on Physics) Paperback – Ma by Niels Bohr (Author) › Visit Amazon's Niels Bohr Page. Find all the books, read about the author, and more.

See search results for this author. Are you an author. Cited by: This classic work by the Nobel Laureate elaborates on the correspondence principle, discussing the theory's applications from a uniform point of view and considering the underlying assumptions in their relations to ordinary mechanics and electrodynamics.

Bohr closely traces the analogy between quantum theory and ordinary theory of radiation. &#; editions. Free kindle book and epub digitized and proofread by Project Gutenberg. On the Quantum Theory of Line-Spectra, Part 1 and 2 by Niels Bohr - Free Ebook Project Gutenberg.

On the Quantum Theory of Line-Spectra "was to have been divided into four parts. Part I: On the general theory was finished in Novemberand was ready from the printer on Ap Part II: On the hydrogen spectrum appeared in print on Decem Additional Physical Format: Online version: Bohr, Niels, On the quantum theory of line-spectra.

København, A.F. Høst, [22] (OCoLC) Because of coronavirus we are unable to ship purchases or see clients, but please email us if you would like a book put on reserve. Bohr, Niels On the Quantum Theory of Line-Spectra.

THE-QUANTUM-THEORY-OF-RADIATION-AND-LINE-SPECTRA Download The-quantum-theory-of-radiation-and-line-spectra ebook PDF or Read Online books in PDF, EPUB, and Mobi Format. Click Download or Read Online button to THE-QUANTUM-THEORY-OF-RADIATION-AND-LINE-SPECTRA book pdf for free now.

Free Online Library: On the quantum theory of line-spectra. (reprint, ).(Brief Article, Book Review) by "SciTech Book News"; Publishing industry Library and information science Science and technology, general Books Book reviews.

On the quantum theory of line-spectra by Bohr, Niels Henrik David, Publication date Topics Quantum theory, Spectrum analysis Publisher København Z.F.

Host Collection gerstein; toronto Digitizing sponsor MSN Contributor Gerstein - Pages: Quantum Theory contains the seminal works of quantum theory from the early years of the 20th Century, representing breakthroughs in science that radically altered the landscape of modern knowledge: Quantum Theory of Line-Spectra by Niels Bohr and The Origin and Development of the Quantum Theory by Max Planck.

FLAME TREE's Great Works That Shape Our World is a new series Pages: ISBN: OCLC Number: Notes: Originally published (3 pts. in 1): København: A.F. Høst, Description: pages. Excerpt from On the Quantum Theory of Line-Spectra, Vol.

1 In an attempt to develop certain outlines of a theory of line-spectra based on a suitable application of the fundamental ideas introduced by Planck in his theory of temperature-radiation to the theory of the nucleus atom of Sir Ernest Rutherford, the writer has shown that it is possible in this way to obtain a simple interpretation of Author: Niels Henrik David Bohr.

The Paperback of the On the Quantum Theory of Line-Spectra by Niels Bohr at Barnes & Noble. FREE Shipping on $35 or more. Customer information on COVID B&N Outlet Membership Educators Gift Cards Stores & Events HelpPages: On the Quantum Theory of Line-Spectra, Vol.

2 by Niels Bohr,available at Book Depository with free delivery worldwide. : On the Quantum Theory of Line-Spectra, I-III [all published]: A fine set of this major work: It was in this fundamental paper that Bohr first gave a clear formulation of, and fully utilized, his 'correspondence principle'.

Besides his derivation of the Balmer formula (), this is by many considered to be Bohr's greatest contribution to physics. The quantum theory of line–spectra rests upon the following fundamental assumptions: • I.

That an atomic system can, and can only, exist permanently in a certain series of states corresponding to a discontinuous series of val-ues for its energy, and that consequently any charge of the energy of.

Bohr’s Theory of the Hydrogen Atom • Planck’s theory along with Einstein’s ideas not only explained the photoelectric effect, but also made it possible for scientists to unravel the idea of atomic line spectraFile Size: 2MB. Quantum Theory contains the seminal works of quantum theory from the early years of the 20th Century, representing breakthroughs in science that radically altered the landscape of modern knowledge: Quantum Theory of Line-Spectra by Niels Bohr and The Origin and Author: Niels Bohr, Max Planck, James Lees.

On the Quantum Theory of Line-Spectra, I-III. Copenhagen: Bianco Lunos, First edition, very rare presentation offprints (with ‘Separate Copy’ printed on the front wrappers), inscribed by Bohr to Kasimir Fajans, and from the collection of The Garden Ltd., of this fundamental work in which Bohr first gave a clear formulation of, and fully utilized, his ‘correspondence principle’.

Niels Bohr has 55 books on Goodreads with ratings. Niels Bohr’s most popular book is The Philosophical Writings of Niels Bohr, Vol. 1: Atomic Theory. Quantum Theory contains the seminal works of quantum theory from the early years of the 20th Century, representing breakthroughs in science that radically altered the landscape of modern knowledge: Quantum Theory of Line-Spectra by Niels Bohr and The Origin and.

Niels Bohr and Albert Einstein. Selected works by Niels Søren Kierkegaard, Niels Bohr was born just around the corner from here, and feel like I should pay some kind of tribute to my deceased s, Niels Bohr is one of the most interesting theoretical physicists.

Bohr read Max Planck’s early quantum theory in and was instantly on the path to revolutionize the field. The objective of any theory claiming to explain an observed phenomenon is to provide a basis for arriving at the observed results/ measurements. So let us start with atomic emission spectra.

In the mid s, improvements in precision engineering. Quantum theory originated from experiments involving several aspects of electromagnetic energy and matter.

The study of blackbody radiation led to the idea of energy being quantized on an atomic level, which manifests itself in the line spectra of atoms. Ascribing a wave character to a moving particle led to the formulation of wave mechanics.

possibility is also of importance in the quantum theory of radiation. If a molecule absorbs or emits energy e in the form of radiation during its transition from one quantum-theoretically possible state to another, such an elementary process can be thought of as being partially or completely directional, or else symmetrical (non-directional).

Book Overview Quantum Theory contains the seminal works of quantum theory from the early years of the 20th Century, representing breakthroughs in science that radically altered the landscape of modern knowledge: Quantum Theory of Line-Spectra by Niels Bohr and The Origin and Development of the Quantum Theory by Max Planck.

Quantum mechanics, science dealing with the behaviour of matter and light on the atomic and subatomic scale. It attempts to describe and account for the properties of molecules and atoms and their constituents— electrons, protons, neutrons, and other more esoteric particles such as quarks and gluons.

These properties include the interactions of the particles with one another and with. The 20th century brought a major shift in our understanding of the atom, from the planetary model that Ernest Rutherford proposed to Niels Bohr’s application of quantum theory and waves to the behavior of electrons.

With a focus on Bohr’s work, the developments explored in this module were based on the advancements of many scientists over time and laid the groundwork for future scientists. Niels Bohr and Albert Einstein debating quantum theory at Paul Ehrenfest's home in Leiden (December ).

InNiels Bohr became a professor at the University of Copenhagen, and director of the newly constructed "Institute of Theoretical Physics" in Born: October 7,Copenhagen, Denmark.

In his paper [15], Bohr tried to extend his theory of line spectra to the then only recently discovered Stark effect () [ 21 ] and to the Zeeman effect () [ 22 ], i.e. InNiels Bohr brought these facts together in his quantum theory of atomic hydrogen, which opened a new era in spectroscopy and atomic structure.

Bohr extended E. Rutherford's picture of a planetary atom by proposing that the electron, bound by Coulomb attraction to the positively charged point nucleus, moves in discrete circular orbits. Day 2: Quantum Theory If you have not yet worked through the Introduction, please do so before beginning this you work through this section, if you find that you need a bit more background material to help you understand the topics at hand, you can consult “Chemistry: The Molecular Science” (5th ed.

Moore and Stanitski) Sections a andand/or Chapter and Chapter 2. A s pointed out i n Part I, i t is possible ~iioreovcr lo throw light on the question of the intensities and polarisations of these components on the basis o f the necessary formal relation between the quantum theory of line spectra and the ordinary theory of radiation in the limit where the motions in successive stationary states differ yery.

Book Description. A Thorough Update of One of the Most Highly Regarded Textbooks on Quantum Mechanics. Continuing to offer an exceptionally clear, up-to-date treatment of the subject, Quantum Mechanics, Sixth Edition explains the concepts of quantum mechanics for undergraduate students in physics and related disciplines and provides the foundation necessary for other specialized courses.

This banner text can have markup. web; books; video; audio; software; images; Toggle navigation. On the Quantum Theory of Line-Spectra Paperback – March 16 by Niels Bohr (Author) out of 5 stars 1 rating. See all 11 formats and editions Hide other formats and editions. Amazon Price New from Used from 4/5(1).

A-The lines in the spectra arise from an electron rising to a higher subshell (that is, the value of l). B-The lines in the spectra arise from changes in an electron's spin. C-The lines in the spectra arise from ionization of the atoms.

D-The lines in the spectra arise from an electron dropping to a lower principal quantum number, n. Quantum mechanics deals with the study of particles at the atomic and subatomic levels. The term was coined by Max Born in Though the theory works to provide accurate predictions of phenomena at the subatomic scales, there is no real understanding of why it works, what it really means or what implications it has for our world picture.

The range of the book has wider benefits. Workers in quantum optics will gain a deeper understanding of the foundations of their subject and field theorists will see concrete examples of open systems, which are beginning to impinge on fundamental theories.

Category:. On the general theory. x 1. General principles. The quantum theory of line-spectra rests upon the fol-lowing fundamental assumptions: I.

That an atomic system can, and can only, exist per-manently in a certain series of states corresponding to a dis-continuous series of values for its energy, and that conse.The old quantum theory is a collection of results from the years – which predate modern quantum theory was never complete or self-consistent, but was rather a set of heuristic corrections to classical mechanics.

The theory is now understood as the semi-classical approximation to modern quantum mechanics. The main tool of the old quantum theory was the Bohr–Sommerfeld. Physicist James Kakalios, author of The Amazing Story of Quantum Mechanics, wants people to know what quantum physics has done for them lately- .