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Physics Medium PPSC Uploaded: 17 Aug 2026

The property of a fluid that resists relative motion between its layers is called:

  • A Viscosity
  • B Buoyancy
  • C Density
  • D Surface tension
Correct Answer: Option A — Viscosity
Explanation:
Viscosity is the internal resistance of a fluid to flow, arising from friction between adjacent layers moving at different velocities; highe...
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