International Journals of Multidisciplinary
Research Academy (IJMRA)

Abstract:
Role of symmetry is very crucial to explain the various properties and behaviour of the elementary particles. Every symmetry are always associated with corresponding conservation law and it can be either discrete or continuous in nature. The symmetries of the standard model associated with the electromagnetic interaction, weak and strong force are described by the groups U(1), SU(2) and SU(3).Fundamental aspect for some of the symmetry like as permutation symmetry, continuous space-time symmetry, discrete symmetry are elaborated here. higher level of symmetry flavour symmetry, super symmetry and SU(5) symmetry for unification is also discuss here. Various cause of symmetry breaking is discuss here. Consequences of the existence of symmetry is that a corresponding conservation law like as conservation of charge, linear momentum, angular momentum, energy, baryon number, lepton number, parity etc. In this research paper elaboration of various conservation law and its consequences is also done in modern context
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Abstract:
The influence of Fe2O3 addition on the variation in electrical conductivity, density, Tg and CTE has been studied in Li2O:B2O3:SiO2 glass system. The results have been explained in the light of the NBOs present in the glass, the electronic contribution to the total conductivity, the size and mass of the Fe3+ ion which is substituted for B2O3 and SiO2 in the glass.
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