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Wednesday, April 13, 2011

Physics Facts

Here r some facts abt physics u shd know if u r studyin the subject:

1. We all knw tht the universe began with no net charge, i.e. charge ws conserved ....................
     but wat ws the ratio of electrons to that of protons in the beginning?????????
     1:1 u say............wrong!!!!!!!!
there were 1 proton for every 10000 electrons.........even more so...........
at the beginning there were majorly electrons and positrons and photons and neutrinos................
it ws after a long time of 700 million years that the first atom came into being after the big bang


2.Why r the equations given by einstein to explain the transformation of frames known as lorentz tranformations????????
actually these eqns were discovered by lorentz long time before Einstein even thought of no ether medium..........
however these eqns were given to explain some phenomenons exhibited by electrons and protons..................but somehow lorentz gave a very complicated explanation regarding the derivation of these eqns(Currently known as S.T.R) and wasnt accepted............it ws poincare who named these eqns given by einstein as lorentz eqns to honor the scientist............


3.Quantum mechanics is the second most experimentally verified theory after relativity................but there is no way to obtain the newtonian picture frm it as we do frm relativity wen we put v<<c.............its as if there is no transformation btw quantum mechanics and newtonian mechanics............
Do njot froget that even the largest of our stars r still made up of tiny particle that r governed by quantum mech. whereas the star is governed by newtonian mechanics..............


4.The basic fundamental pillars of physics r missing....................as of now basic fundas lack a clear definition..............try for urself.......answer these questions
              1.what is mass???
              2.what is charge????
              3.what is a wave????
              4.what is energy?????
if u hv an answer then plz let me knw..........................


5.Michelson ws the 1st american to get the nobel prize for physics................he go that for his famous experiment named after him..............michelson morley experiment............an experiment tht ws intitially carried out to detect the presence of ether............
FACT: he got the prize 2 years after einstein gave his special theory of relativity................


6.Gravity as such doesnt have an equillibria in the universe............there is no force opposing it.............yet the universe expands!!!!!!!!!!


7.the spiral arms of spiral galaxies lack an explanation...............


8.if there is any possibility of ever meeting with aliens the most advanced civilization tht we will ever encounter would be tht of a bacteria.................


9.which terrestial object in our solar system has a bigger possibilty of supporting life???????
mars?????WRONG.............................
the answer is a small moon of jupiter Europa which is covered in ice............scientists think that there may exist water at a depth of 32 kms from the surface..................first life on earth emerged in the water............however such a life on europa would not be able to contact us because of the 32 km ice sheet above them......................


look out for more................!!!!!!!!!!!!!!!!!

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