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Physics Medium CSS Uploaded: 17 Aug 2026

The SI unit of viscosity is:

  • A Joule
  • B Watt
  • C Newton
  • D Pascal second
Correct Answer: Option D — Pascal second
Explanation:
Viscosity is measured in Pascal-seconds (Pa路s) in the SI system, representing the resistance of a fluid to gradual deformation caused by she...
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