PLANCK'S CONSTANT

plängks, fundamental constant of the quantum theory. It is represented by the letter h and has a value of 6.63 × 10−34 J-sec. The combination h/2π, denoted by h (called "h-bar"), occurs frequently.

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The Columbia Encyclopedia, Sixth Edition Copyright© 2004, Columbia University Press. Licensed from Lernout & Hauspie Speech Products N.V. All rights reserved.

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Questia Books and Articles on: Plancks Constant
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books on: Plancks Constant  - 585 results

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1.
Encyclopaedic Dictionary of Physics: General, Nuclear, Solid State, Molecular, Chemical, Metal and Vacuum Physics, Astronomy, Geophysics, Biophysics, and Related Subjects - Vol. 2
Book by J. Thewlis, R. C. Glass, D. J. Hughes, A. R. Meetham; Pergamon Press, 1962
Subjects: Physics--Dictionaries
...additive. Figure 1 shows typical forms of constant- resistance networks and the form taken...equalizers are generally designed to have a constant loss over the band of frequencies transmitted...an ideal gas p V/T is a universal constant and the ideal gas equation of state...
2.
The Great Design: Particles, Fields, and Creation
Book by Robert K. Adair; Oxford University Press, 1989
Subjects: Field Theory (Physics), Particles (Nuclear Physics), Physics
...all the universal constants--the velocity of light, Plancks constant setting the scale of quantum mechanics, the charge...depend upon the position of the laboratory, if the constants of nature do not vary with position, then conservation...
3.
Cosmogenesis: The Growth of Order in the Universe
Book by David Layzer; Oxford University Press, 1991
Subjects: Cosmology, Evolution, Science--Philosophy
...gravitational and inertial mass isnt quite constant, the amendment could easily be amended...frictionless hockey pucks move with constant speed in perfectly straight lines--and...puck will move in a straight line with constant speed relative to a frame of reference...
4.
Fundamental Concepts of Inorganic Chemistry
Book by Esmarch S. Gilreath; McGraw-Hill, 1958
Subjects: Chemistry, Inorganic
...measured, and the unit of spin is Plancks constant, h , divided by 2 . Since...which has become known as Plancks constant . In 1905 Albert Einstein...from atom to atom but is a constant quantity. Coulombic and gravitational...
5.
Albert Einstein: Philosopher-Scientist
Book by Paul Arthur Schilpp; Open Court, 1970
Subjects: Einstein, Albert--1879-1955
...R/k . The one constant of Plancks formula consequently...all over with Plancks formula and with the constant h . From the existing...reasoning. Now back to Plancks reasoning. On the...that, aside from a constant factor, entropy...
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journal articles on: Plancks Constant  - 14 results

       More journal Results: 1-10 11-14 >>  
 
1.
Some Tendencies of Social Welfare and the Problem of Interpretation
Journal article by Stephen T. Ziliak; The Cato Journal, Vol. 21, 2002
Subjects: Public assistance--Social aspects, United States--Economic policy, Welfare economics--Research, Welfare--Social aspects
...quantity, which is known as Plancks constant" (Hawking 1988: 55). Okun did...coefficient have changed whereas Plancks constant has not. As Hawking (1988: 55) notes, Plancks constant "does not depend on the way...
2.
The Janusian Process in Scientific Creativity
Journal article by Albert Rothenberg; Creativity Research Journal, Vol. 9, 1996
Subjects: Creative Ability--Periodicals
...develop what became known as Plancks constant by discovering that it was...from this solution (i.e., Plancks constant), a resonator could avail itself...complementarity, Einsteins relativity, Plancks constant indicating discontinuity in...
3.
The Thomas Theorem and the Matthew Effect
Journal article by Robert K. Merton; Social Forces, Vol. 74, 1995
Subjects: Social Problems, Social Service
...have discovered or are believed to have discovered, 1 as with Boyles Law, Halleys comet, Fouriers transform, Plancks constant, the Rorschach test, the Gini coefficient, and the Thomas theorem. This article can be read from various sociological...
4.
Getting Real: Technoscientific Practices and the Materialization of Reality
Journal article by Karen Barad; Differences, Vol. 10, 1998
Subjects: Feminism, Feminist Criticism, Women, Women--United States
...as being circumscribed by Plancks constant. That is, he did not see them...fact, Bohr insisted that if Plancks constant had been larger the epistemological...fact that instrumentation is constantly reworked as part of the practices...
5.
Realism, Regularities, and Prediction
Journal article by Allin Cottrell; Review of Social Economy, Vol. 56, 1998
Subjects: Economics and Reality (Book)--Criticism, interpretation, etc., Economics--Analysis, Lawson, Tony--Criticism, interpretation, etc., Realism--Analysis, Transcendentalism--Analysis
...determine the values of the economic equivalents of Plancks constant or the speed of light. But they do reckon they can...electricity. One wants not just a trotting out of constant conjunctions, but a reference to the real generative...
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magazine articles on: Plancks Constant  - 10 results

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1.
Why Quantum Mechanics Is Not So Weird after All: Richard Feynman's "Least-Action" Approach to Quantum Physics in Effect Shows That It Is Just Classical Physics Constrained by a Simple Mechanism. When the Complicated Mathematics Is Left Aside, Valuable Insights Are Gained
Magazine article by Paul Quincey; Skeptical Inquirer, Vol. 30, July 2006
Subjects: Feynman, Richard P.--Criticism and interpretation, Feynman, Richard P.--Research, Feynman, Richard P.--Works, QED: The Strange Theory of Light (Book)--Criticism and interpretation, Quantum mechanics--Evaluation, Quantum theory--Evaluation
...circumference of the wheel "Plancks constant," after Max Planck, who discovered...the amount of action known as Plancks constant. This is otherwise known as...is an exact whole number of Plancks constants. This can lead to patterns of...
2.
Mathematics, Physics and the Real Face of God
Magazine article by Roland Aldworth; Contemporary Review, Vol. 278, May 2001
Subjects: Knowledge, Theory of--Criticism, interpretation, etc., Nebulae--Philosophy, Science--Social aspects
...of 10.sup.-34 of a centimeter. Plancks Constant, Weinberg says is 6.626 thousandth...which he called the Cosmological Constant. Fifteen years later Hubble did...admitted that to add the Cosmological Constant was the biggest blunder of his...
3.
Beyond the Death of God
Magazine article by Patrick Glynn; National Review, Vol. 48, May 6, 1996
Subjects: Atheism--Analysis, Cosmology--Observations, God--Proof, Human beings--Origin, Humans--Origin, Proof of God
...the universal constants -- values such as Plancks constant, h, or the gravitational constant, G. It turns out that infinitesimal changes in the values of any of these constants would have resulted in a universe profoundly...
4.
Laws in Social Science Theory
Magazine article by Monroe Burk; Monthly Review, Vol. 39, June 1987
Subjects: Marxian school of sociology--Beliefs, opinions and attitudes, Marxist sociology--Beliefs, opinions and attitudes, Social science research--Beliefs, opinions and attitudes
...econometrics which has properties of so fixed a character (analagous, in the natural sciences, to Avogadros Constant or Plancks Constant) that makes it suitable as a means of making predictions. There are, however, other social-science laws which command...
5.
The Strength in Numbers
Magazine article by Ziauddin Sardar; New Statesman, Vol. 128, October 11, 1999
Subjects: Millennium--Public opinion, Time measurement--International aspects
...So why should it be rational for scientists and mathematicians to look behind the significance of a number, say Plancks constant pi, and irrational for a non-scientist to seek out the significance of the year 2000? In both science and conventional...
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newspaper articles on: Plancks Constant  - 3 results

 
 
1.
The Low Price of Math Illiteracy ... and a Way to Make a Difference
Newspaper article by Fred Reed; The Washington Times, July 15, 1996
...But you probably still know Plancks constant, or at least what it is. Hampden-Sydney...kinetic-molecular gas theory, Boltzmans constant, degrees of freedom, what entropy...calculating fractions and equilibrium constants. The result wasnt just a fluency...
2.
Science and Religion
Newspaper article; The Washington Times, December 18, 2005
...the fundamental constants in our universe (such as Plancks constant, the charge and mass of the electron/proton) were...infinity of other possible values for these fundamental constants makes the probability of our current universe nearly...
3.
Scarlet Past of a Desert Rat
Newspaper article; The Daily Mail (London, England), November 11, 1996
...came to be known as de Broglie waves: wavelength = Plancks constant/(mass of particle x velocity of particle). So for...the equation says that this mass would be equal to Plancks constant/(speed of light x wavelength). By rounding up the...


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encyclopedia articles on: Plancks Constant  - 8 results

       More encyclopedia Results: 1-8 >>  
 
1.
Planck's Constant
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
PLANCKS CONSTANT plangks, fundamental constant of the quantum theory . It is represented by the letter h and has a value of 6.63 O 10 34 J-sec. The combination h /2 , denoted by h (called "h-bar"), occurs frequently...
2.
Uncertainty Principle
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...momentum in a given direction cannot be less than Plancks constant h divided by 4 . The principle also limits the...required to make the energy measurement. The value of Plancks constant is extremely small, so that the effect of the limitations...
3.
Photon
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...photons, the energy of each photon being equal to the frequency of the light multiplied by Plancks constant, h. Because the value of Plancks constant is extremely small (6.62 O 10 27 erg sec.), the discrete nature of light energy is not evident...
4.
Planck, Max
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...der Physik and member of the Royal Society (London) and the American Physical Society. His name is honored in Plancks constant . English translations of his works include A Survey of Physics (1925, new ed. 1960), Introduction to Theoretical...
5.
Photoelectric Effect
Encyclopedia article; The Columbia Encyclopedia, Sixth Edition, 2009
...proportional to its frequency according to the equation E = h , where E is the energy, is the frequency, and h is Plancks constant. Each photoelectron ejected is the result of the absorption of one photon. The maximum kinetic energy, KE, that any...
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