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A drop of water of radius 0.0015 mm is falling in air. If the coefficient of viscosity of air is , what will be the terminal velocity of the drop? (density of water = and g = 9.8 N/kg). The density of air can be neglected
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By Stoke's law the terminal velocity of a water drop of radius r is given by
where is the density of water is the density of air and the coefficient of viscosity of air Here is negligible and r = 0.0015 mm = 1.5 x = 1.5 x m Substituting the values
where is the density of water is the density of air and the coefficient of viscosity of air Here is negligible and r = 0.0015 mm = 1.5 x = 1.5 x m Substituting the values
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Question Text | A drop of water of radius 0.0015 mm is falling in air. If the coefficient of viscosity of air is , what will be the terminal velocity of the drop? (density of water = and g = 9.8 N/kg). The density of air can be neglected |
Answer Type | Text solution:1 |
Upvotes | 150 |