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The nuclear charge (Ze) is non uniformll...

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` is

A

independent of a

B

directly proportional to a

C

directly proportional to `a^(2)`

D

inversely proportional to a

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The correct Answer is:
A
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