The densities of two solid spheres A and B of the same radii R vary with radial distance r as ρA(r)=k(rR) and ρB(r)=k(rR)5, respectively, where k is a constant. The moments of inertia of the individual spheres about axis passing through their centres are IA and IB respectively. If IBIA=n10, then value of n is-

The densities of two solid spheres A and B of the same radii R vary wi

1.	The densities of two solid spheres A and B of the same radii R vary with radial distance r as ρA(r)=k(rR) and ρB(r)=k(rR)5, respectively, where k is a constant. The moments of inertia of the individual spheres about axis passing through their centres are IA and IB respectively. If IBIA=n10, then value of n is-
Answer» The densities of two solid spheres A and B of the same radii R vary with radial distance r as $ρ_{A} (r) = k (\frac{r}{R})$ and $ρ_{B} (r) = k {(\frac{r}{R})}^{5}$ , respectively, where $k$ is a constant. The moments of inertia of the individual spheres about axis passing through their centres are $I_{A}$ and $I_{B}$ respectively. If $\frac{I_{B}}{I_{A}} = \frac{n}{10}$ , then value of $n$ is-

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