Which of the following phenomena is primarily due to surface tension?

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Question: Which of the following phenomena is primarily due to surface tension?

Options:

Correct Answer: Capillary action

Solution:

Capillary action is primarily due to surface tension, as it allows liquids to rise in narrow tubes against gravity.

Which of the following phenomena is primarily due to surface tension?

Which of the following phenomena is primarily due to surface tension?

Step 1: Understand what surface tension is. It is a property of liquids that makes their surface behave like a stretched elastic membrane.
Step 2: Learn about capillary action. This is when a liquid moves up a narrow space, like a thin tube, against the force of gravity.
Step 3: Recognize that surface tension helps the liquid to climb up the tube by pulling the liquid molecules together at the surface.
Step 4: Conclude that capillary action is primarily due to surface tension because it allows the liquid to rise in narrow spaces.

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