A shell having a hole of radius r is dipped in water. It holds the water upto a depth of h then the value of r is

(a) $\mathrm{r}=\frac{2\mathrm{T}}{\mathrm{hdg}}$                             (b) $\mathrm{r}=\frac{\mathrm{T}}{\mathrm{hdg}}$

(c) $\mathrm{r}=\frac{\mathrm{Tg}}{\mathrm{hd}}$                               (d) None of these

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