Mayur Arya
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Poll

A liquid rises to a higher height than water in a capillary tube, the reason for this is

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Poll Results

0%[A] Liquid is more viscous than water.
33.33%[B] The temperature of the liquid is higher than that of water. ( 1 voter )
0%[C] The surface tension of the liquid is lower than that of water.
66.67%[D] The surface tension of the liquid is higher than that of water. ( 2 voters )
Based On 3 Votes

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The liquid rises to a higher height than water in a capillary tube because the surface tension of the liquid is higher than that of water. This stronger surface tension pulls the liquid upward, resulting in a greater capillary rise in the tube compared to water.

 

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1 Answer

  1. The reason a liquid rises to a higher height than water in a capillary tube is that the surface tension of the liquid is higher than that of water, corresponding to option [D]. This higher surface tension causes the liquid to be drawn up the capillary tube to a greater extent, overcoming gravitational forces. It’s this stronger cohesive force within the liquid that enables it to climb higher against gravity within the narrow confines of the capillary tube. This phenomenon is governed by the principles of capillary action, where the surface tension of the liquid interacts with the tube’s surface to produce a rise or fall in the liquid level. Therefore, liquids with higher surface tension exhibit greater capillary rise, leading to the observation of a liquid rising to a higher height than water in a capillary tube when the liquid’s surface tension surpasses that of water.

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