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physics, particle relationships

English: Shows slices of expansion of universe...
Shows slices of expansion of universe without an initial singularity (Photo credit: Wikipedia)

 

Was every event created at the moment of the big bang by the position of every particle at that moment? Every action is based on the action of the moment before and must obey the laws and forces of physics therefor suggesting every element, compound, and even human thought were predetermined by the exact position of particles/energy at the begining of time.

 

Asked  Paul Godwin (freshman Sac City College)

 

How to find the effective resistance between two points ….?

How to find the effective resistance between two points when they are connected as shown in figure. Perimeter is 18.

resistance-1

If a body moves 100 m in the first 2 seconds, 104 m in the next 4 seconds, then how far will it go in the next 4 seconds

If a body moves 100 m in the first 2 seconds, 104 m in the next 4 seconds, then how far will it go in the next 4 seconds

Some Physicists and their contributions

Physicists outside India

 

  • Galileo – (formulated the basic law of falling bodies, constructed a telescope and discovered four moons revolving around Jupiter)

    Picture of Isaac Newton, Galileo Galilei and A...
    Picture of Isaac Newton, Galileo Galilei and Albert Einstein
  • Archimedes: Archimedes Principle and theory of floatation, Principle of levers)
  • Albert Einstein: Theory of relativity, (Special and General)
  • Isaac Newton: Laws of motion, The method of Calculus
  • Michael Faraday: Electromagnetic induction, dynamo

 

Physicists from India

 

    • CV Raman – (studied light scattering and discovered the Raman effect)
    • JC Bose – (pioneered the investigation of radio and microwave optics)
    • SN Bose –English: Satyendra Nath Bose in Paris 1925

      (worked out statistical method of handling bosons)

    • MN Saha – (best known for his development of the Saha equation, used to describe chemical and physical conditions in stars.)
    • HJ Bhabha (initiated nuclear research programs in India; carried out experiments in cosmic rays; calculated cross section for elastic electron-positron scattering)
    • Subramanyan Chandrasekhar:-Subrahmanyan Chandrasekhar in his later years

      (won the 1983 Nobel Prize for Physics for key discoveries that led to the currently accepted theory on the later evolutionary stages of massive stars. The Chandrasekhar limit is named after him.)

 

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