Water rise to a height of 16.3 cm in a capillary of height 18 cm above the water level. If the tube is cut at height of 12 cm

Engineering

Physics

Surface Tension

Question

water will flow down the side of the capillary tube

water will stay at a height of 12 cm in capillary tube but radius of curvature at top will decrease.

water will come as fountain from the capillary tube

water will stay at a height of 12 cm in the capillary tube but radius of curvature at top will increase.

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$hrg = \frac{25}{R}$

$h ↓ \Rightarrow R ↑$

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