SATHEE: PYQ NEET- Thermal Properties Of Matter L-1

Question: 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 $2 m s^{- 1}$ is equal to :

A) $15 \times 10^{- 3} N$

B) $30 \times 10^{- 3} N$

C) $1.5 \times 10^{- 3} N$

D) $20 \times 10^{- 3} N$

Answer: $15 \times 10^{- 3} N$

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Question: 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 m s−1 is equal to :

Answer: 15×10−3 N

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Question: 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 $2 m s^{- 1}$ is equal to :

Answer: $15 \times 10^{- 3} N$