Fluid Mechanics | Surface Tension And Viscosity | JEE Main previous year questions with Solutions

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Q 11 :

Surface tension of two liquids (having same densities), $T_{1} a n d T_{2}$ , are measured using capillary rise method utilizing two tubes with inner radii $r_{1} a n d r_{2}$ where $r_{1} > r_{2}$ . The measured liquid heights in these tubes are $h_{1} a n d h_{2}$ respectively. [Ignore the weight of the liquid about the lowest point of meniscus.]

The heights $h_{1} a n d h_{2}$ and surface tensions $T_{1} a n d T_{2}$ satisfy the relation: [2026]

$h_{1} > h_{2} a n d T_{1} < T_{2}$
$h_{1} < h_{2} a n d T_{1} = T_{2}$
$h_{1} > h_{2} a n d T_{1} = T_{2}$
$h_{1} = h_{2} a n d T_{1} = T_{2}$

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