NDA 2025 Physics question

Physics Mechanical Properties of Fluids NDA 2025

Which one of the following statements about surface tension is correct ?

(A)It increases when temperature increases
(B)It decreases when temperature increasesCorrect
(C)It will remain same with increase or decrease of temperature
(D)It will always decrease with increase or decrease of temperature

Answer: (B)

Solution

As the temperature rises, the molecules move faster and the cohesive

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Question ID VK-033107