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The nuclear charge (`Ze`) is non uniformlly distribute with in a nucleus of radius r. The charge density `rho(r)` (charge per unit volume) is dependent only on the radial distance r form the centre of the nucleus s shown in figure. The electric field is only along the radial direction. The electric field at `r=R` isA. Independent of aB. Directly proportional to aC. Directly proportional to `a^(2)`D. Inversely proportional to a |
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Answer» Correct Answer - A `E(4pi R^(2))=((Ze))/in_(0)rArr E=(Ze)/(4pi in_(0) R^(2))` `rArr` Independent of a |
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