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JEE Physics · Medium

Fluid Mechanics: Surface Tension MCQ

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Surface TensionMediumQuestion 30929

Question

Surface tension is defined as:
  1. A
    Force per unit length on surface
    Correct
  2. B
    Pressure inside a bubble
  3. C
    Viscosity of surface layer
  4. D
    Energy per unit mass

Correct answer

Force per unit length on surface

Explanation

Surface tension T = Force/Length (N/m). It also equals surface energy per unit area (J/m²).

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