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Overview         (For age - group : 11 - 16 )

This educational physics (atomic) animation with audio shows Bohr's creation of the atomic model in a systematic manner. It starts from the mystery of spectral lines and ends with the explanation of hydrogen spectra, an animated glossary and a quiz on Bohr's model. This animated 1.5 hour Bohr's atomic model covers in detail the endeavor of the scientists to see the unseen and is meant for high school and college atomic physics classes.

Product - Animation
  Size/Time Subscribe Preview / Trailer
Size (KB) 6353 US$    2.50 Rs. 162.50
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Subscription Days = 30 Watch a preview (opens in separate window)
Time (hr:min:sec) 1:30:0
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Watch a free preview of this science  and technology animation
                                                                    

This animation has audio.This animation contains sound
Category : Physics Atomic
Type : Animation with sound
Animation Type : Advanced

Total animation length
: 1 hr 30 minutes

Refer details section for information.

Snapshots         

Bohr model animated relationship energy level quantum well and orbital

The animation answers the questions like What is the radius of orbits in which electrons did not radiate? What was the energy possessed by the electron in these orbits?
Bohr model animation rutherford continuous discrete atomic structure Bohr animated theory of discrete jumps of electron
The physics animation exhibits the path-breaking concepts of Bohr through comparison between orbital, energy well and energy level model and calculations for speed, energy, radius and their correlation.
Bohr energy level and discrete quantum spectra model animated with all photon values and wavelength
Animated Bohr radius, energy, speed, wavelength, spectral series - Lyman Balmer formula given
Bohr's postulates, explanation of hydrogen spectra and its line series are elaborated also the shortcomings of the model are completely covered. Our animated mascot, professor Stanley quizzes you on the concepts. An animated glossary clarifies the terms like Rydberg's constant, ionization energy, quantum well etc.
Details of the animation/ movie /software

This Bohr's atomic theory animation is directed towards high school / university students and teachers. It contains animation supported by audio and is directed towards unfolding the efforts of Bohr to apply quantum principles to Rutherford's mechanistic planetary model. Derivations, formulas, hints, explanations and glossary are provided for better grasp of the concepts. A quiz checks the understanding. Topics covered are:

  • Journey into the atom - Bohr strives to save Rutherford's model :
    Mystery of missing spectral lines from emission and absorption spectra, Rutherford's model, Bohr's postulates.
  • Visual comparison of Bohr's and Rutherford's model :
    Columbic forces balance mechanical rotation, understanding spectra, continuous and discrete spectrum, why did the electrons not fall into the nucleus? Ramp and steps and unequal steps analogy.
  • Which orbits were considered to be stationary by Bohr? : Quantifying of angular momentum
  • Derivation of L= nh/2pi : DeBroglie's equation
  • How did he bring the above restriction on the circular orbits or stationary states? Planck's constant 'h' and Einstein's equation E = hf . Calculation of photon's wavelength. stationary states
  • Balmer's formula
  • Quantum theory formulated by Max Planck and established by Einstein : A short explanation
  • Significance of "h"
  • How L = mvr ?
  • More on quantum : Quantum world and laws are different from real world and laws.
  • Concept and Derivation of radius of hydrogen atom : Electrons can only exist at quantized distance from hydrogen nucleus.
  • Determining the total energy possessed by an electron
  • Calculation of orbital speed
  • Calculation of energy
  • Correlation between n, energy level and orbital radius
  • Bohr’s postulates
  • Explanation of hydrogen spectrum in detail : Why spectral lines are produced? Correlation between orbital and energy level model .Understanding absorption and emission spectra of hydrogen. Intensity of spectral line.
  • Explanation of Lyman, Balmer, Paschen, Pfund, Brackett, Humphreys spectral line series
  • What if the atom is subjected to continuous intake of energy?
  • Summing up
  • Shortcomings of Bohr's Model : Zeeman, Stark effect, discrete energy levels, larger atoms, position momentum.
  • References : See below
  • Quiz

  • Reference cover the terms in details:

  • Ångström
  • Electron Volt
  • Formula for Energy, Radius and Wavelength
  • Hydrogen Energy Levels
  • Ionization Energy
  • Kilo joules per mole
  • Nanometer
  • Quantum Well
  • Rydberg's constant for Hydrogen
  • Series derived from Rydberg's formula
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      very good by Gianluca Lapini
     

    Q & A
    Q1: what is the cathode rays? and what is rays divided like white photon is make from 7 color photon ?????????/ uttam kalariya 11/7/2014
    Ans:
       
    Q2: bohr atomic modle abubakar mughal 22/12/2013
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    Q3: can you provide me with links to beggginer chemist at university level jared 3/11/2013
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    Q4: What is the relationship between the Bohr Radius and the Golden Proportion at the subatomic level? Can this be represented diagramatically? Prof Ninian Peckitt 9/6/2013
    Ans:
       
    Q5: XAMOSH HALOFARHAD 10/10/2012
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    Q6: what is name SHIAKHA 31/3/2012
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    Q7: plz plz tell me about orbits and orbitals difference? maryyum 13/9/2011
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    Q8: why protons donot repel eachother? vidushi 21/8/2011
    Ans:
       
    Q9: write short notes on bohar's atomic model ? abhishek 1/2/2011
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    Q10: what are the limtations of each atamic models? aga 14/10/2010
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    Q11: WHAT ARE THE LIMITATIONS OF BOHRS ATOMIC MODEL SACHIN 18/3/2010
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    Q12: importance,uses and application of atomic energy level. erewa 9/12/2008
    Ans:
       
    Q13: I want a complete detail of Rutherford's alpha scattering experiment with animation. RAMBO 4/11/2008
    Ans:
       
    Q14: How does nitrogen show many oxidation states? Anne George 22/4/2008
    Ans:
       
    Q15: Do I can download free version the Atomic Model flash Animation? ngadimin/Fhysics Faculty of Syiah Kuala Universit 15/9/2007
    Ans: No, It is only available for viewing online
       
    Q16: why does element give particular colour of the flame pratibha bhalekar 1/5/2007
    Ans: Elements have their distinct emission spectra produced by their excited electrons emitting electromagnetic radiation while going down the energy level to ground state. The EM radiations are different for each element based on its atomic configuration. Those radiations in visible region are seen as colors by us. Thus, when the elements are heated in a flame their electrons receive energy and get excited and the EM radiations so produced give color to flame.
       
    Q17: how i can make modules as your modules ? effat nashat 26/3/2007
    Ans: To make an animation first choose appropriate software adobe flash, director, corel rave and from many others. We prefer flash. Choose a topic and collect data for that topic from various sources like web, books, CDs, Newspapers, magazines etc. Cross check for validity and veracity. Compile the data so that the flow is smooth and proper, we do it as per question and answer, then animate it, introduce interactivity and finally add sound. Test it for errors and jerks. Finally publish it.
       
    Q18: Why did they use a gold foil? nonhlanhla 12/3/2007
    Ans: Mass of gold atoms was more than that of alpha particles and gold is very malleable and could be easily hammered into a thin foil
       


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