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Question
The rise of a liquid in a capillary tube is due to :
The rise of a liquid in a capillary tube is due to :
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Solution
The correct option is D Surface tension
The rise of a liquid in a capillary tube is due to surface tension. It is called capillary action. The liquid rises into the a capillary tube to such a height that the weight of resulting liquid column is just balanced by the force of surface tension. Some common examples of capillary action include flow of water from the roots of a plant to upper parts and rise of oil in a lamp wick.
The rise of a liquid in a capillary tube is due to surface tension. It is called capillary action. The liquid rises into the a capillary tube to such a height that the weight of resulting liquid column is just balanced by the force of surface tension. Some common examples of capillary action include flow of water from the roots of a plant to upper parts and rise of oil in a lamp wick.
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