Two metal spheres are falling through a liquid of density with the same uniform speed. The material density of sphere 1 and sphere 2 are and respectively. The ratio of their radii is |
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a) |
b) |
c) |
d) |

Two metal spheres are falling through a liquid of density with the same uniform speed. The material density of sphere 1 and sphere 2 are and respectively. The ratio of their radii is |
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a) |
b) |
c) |
d) |

1 Answer

127 votes

The terminal velocity of the spherical body of radius , density falling through a liquid of density is given by Where is the coefficient of viscosity of the liquid and According to the given problem, or Substituting the given values, we get |

127 votes

127