There can only be an integral number of quarks. What's the minimum number of each type that will produce the needed proton charge?manjula said:The up quark has a charge of 2/3 e, A down quark has a charge of -1/3 e, where e is the elementory charge (1.6 x 10 power of -19c), how many up quarks and down quarks must a proton contains
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