Charge is distributed within a sphere of radius Rwith a volume charge density ρ (r) = A/r^2 e^{-2r\/a} , where A and a are constants. If Q is the total chargeof this charge distribution, the radius R is : [9 Jan 2019 Shift 2]

Correct Answer is : a2 log (11−Q2πaA)

JEE Main 9 Jan 2019 Shift 2 Solved Paper

Section: Physics

Question : 19 of 90

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Charge is distributed within a sphere of radius Rwith a volume charge density ρ (r) =

e−2r∕a , where A and a are constants. If Q is the total chargeof this charge distribution, the radius R is :

[9 Jan 2019 Shift 2]

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