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?
- A. Surface tension
- B. Hydrostatic upthrust
- C. Viscosity
- D. Diffusion
Correct Answer: A. Surface tension
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