Stokes' law and terminal velocityMedium

Terminal Velocity and Viscosity Experiment

In the experiment for measurement of viscosity ‘η’ of given liquid with a ball having radius R, consider following statements.
A. Graph between terminal velocity V and R will be a parabola
B. The terminal velocities of different diameter balls are constant for a given liquid.
C. Measurement of terminal velocity is dependent on the temperature.
D. This experiment can be utilized to assess the density of a given liquid.
E. If balls are dropped with same initial speed, the value of η will change.
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