The viscous drag acting on a metal sphere of diameter 1 mm, falling through a fluid of…
Physics · NEET · NTA Exams — Properties of Solids and Liquids
The viscous drag acting on a metal sphere of diameter 1 mm, falling through a fluid of viscosity 0.8 Pa s with a velocity of 2 ms-1 is equal to
- \(1.5 \times 10^{-3} \mathrm{~N}\)
- \(20 \times 10^{-3} \mathrm{~N}\)
- \(15 \times 10^{-3} \mathrm{~N}\)
- \(30 \times 10^{-3} \mathrm{~N}\)
Answer
(C) 15 10^ -3 ~N
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