A spherical ball of iron of radius 2 {mm} is falling through a column of glycerine. If densities of glycerine and iron are respectively 1.3 \times 10^{3} {kg} \/ {m}^{3} and 8 \times 10^{3} {kg} \/ {m}^{3} \cdot \eta for glycerine =0.83 {Nm}^{-2} {\sec}, then the terminal velocity is

MHT CET 2020 Physics Solved Paper

Question : 35 of 50

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A spherical ball of iron of radius 2mm is falling through a column of glycerine. If densities of glycerine and iron are respectively 1.3×103kg∕m3 and 8×103kg∕m3⋅η for glycerine =0.83Nm−2sec, then the terminal velocity is

0.7m∕s
0.07m∕s
0.007m∕s
0.0007m∕s

Validate

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