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Multiple choice answers:A: u s-barB: u dC: u d-barD: u d s-barThis question requires you to have memorised:the quark content of a neutron and all the pions,that strangeness number and baryon number are co...
With an neucleus, the charge is calculated by using the formula: number of protons x the charge of a single electron with an ion, the charge is calculated using the formula:number of extra charge x charge...
A nuclear equation expresses all of the elements before (LHS of = sign) and after (RHS of = sign) the reaction in terms of nucleon (N) and proton number (A), both quantities are conserved during the react...
A PET scan which is known as Positron Emission Topography involves passing a positron emitting source through a patient. The source used for a PET scan is FDG which contains Fluorine-18. A positron emitte...
A star begins its life from Hydrogen gas. Gas particles of Hydrogen gas are brought together due to the gravitational force of attraction between them. There is an increase in Kinetic Energy of these gas ...
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