PHYSICS

JAMB 2022 - Question 25

Physics 2022 JAMB Past Questions - Question 25: When the temperature of liquid increases, its surface tension

Choose the correct answers from the options given.
When the temperature of liquid increases, its surface tension
A:
B:
C:
D:
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Correct Answer

A

Explanation

Generally, as the temperature of a liquid increases, its surface tension tends to decrease. Surface tension is the property of the surface of a liquid that allows it to resist an external force, and it arises from the cohesive forces between the molecules in the liquid.

As the temperature increases, the kinetic energy of the molecules also increases, leading to greater thermal motion and a weakening of the cohesive forces. This results in a reduction in surface tension. However, it's important to note that the relationship between temperature and surface tension can be complex and may depend on the specific properties of the liquid in question.

In some cases, the temperature dependence of surface tension may follow a different trend due to the interplay of various factors, such as changes in molecular interactions, structural transitions, or other thermodynamic effects. It's always best to consult specific data or studies for accurate information about the behavior of a particular liquid.

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