Water does not drip through an open umbrella of silk material unless the inside of…

Physics WAEC 1990

Water does not drip through an open umbrella of silk material unless the inside of the umbrella is touched. Which of the following phenomena is responsible for this?

  • Surface tension checkmark
  • Hydrostatic upthrust
  • Viscosity
  • Diffusion
  • Osmosis

The correct answer is: A

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