Two capillaries $P$ and $Q$ are dipped in water. The height of water level in capillary $P$ is $2 / 3$ to the height in $Q$ capillary. The ratio of diameter is

2 : 3

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3 : 2

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3 : 4

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4 : 3

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Solution

The correct option is B $3 : 2$
As we know,
$r \propto \frac{1}{h}$
$\Rightarrow \frac{r_{P}}{r_{Q}} = \frac{h_{Q}}{h_{P}} = \frac{h}{\frac{2}{3} h} = \frac{3}{2}$

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Two capillaries P and Q are dipped in water. The height of water level in capillary P is 2/3 to the height in Q capillary. The ratio of diameter is

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Two capillaries $P$ and $Q$ are dipped in water. The height of water level in capillary $P$ is $2 / 3$ to the height in $Q$ capillary. The ratio of diameter is

The correct option is B $3 : 2$
As we know,
$r \propto \frac{1}{h}$
$\Rightarrow \frac{r_{P}}{r_{Q}} = \frac{h_{Q}}{h_{P}} = \frac{h}{\frac{2}{3} h} = \frac{3}{2}$