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Question 30960
JEE Physics · Hard

Fluid Mechanics: Surface Tension MCQ

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Surface TensionHardQuestion 30960

Question

Temperature coefficient of surface tension is:
  1. A
    Positive (T increases with temperature)
  2. B
    Negative (T decreases with temperature)
    Correct
  3. C
    Zero
  4. D
    Depends on liquid

Correct answer

Negative (T decreases with temperature)

Explanation

Surface tension decreases with temperature. At critical temperature of a liquid, surface tension becomes zero.

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