Charge is distributed within a sphere of radius R with a volume charge density ρ r = A r 2 e - 2 r a ,…

1. $\frac{a}{2}\log \left(\frac{1}{1-\frac{Q}{2\pi aA}}\right)$
2. $a\log \left(\frac{1}{1-\frac{Q}{2\pi aA}}\right)$
3. $a\log \left(1-\frac{Q}{2\pi aA}\right)$
4. $\frac{a}{2}\log \left(1-\frac{Q}{2\pi aA}\right)$

Solution

Asked in: JEE Main 2019 (09 Jan Shift 2)

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