NEET Physics Surface Tension MCQ Question
What is the relationship between surface tension and the energy of molecules at the surface of a liquid compared to those in the interior?
Molecules at the surface have extra energy compared to those in the interior.
Molecules at the surface have less energy than those in the interior.
Molecules at the surface have the same energy as those in the interior.
Surface tension does not affect the energy of molecules in a liquid.
Correct Answer
Detailed Explanation
Molecules on a liquid surface have some extra energy in comparison to molecules in the interior, as stated in the NCERT context regarding surface tension.
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