A) gravity
B) viscosity
C) buoyancy
D) electric field
Correct Answer: D
Solution :
In Millikans oil drop experiment the electric field is applied between the plates, the negatively charged oil drop carrying a charge will experience electrostatic force or attraction in upward direction. If the magnitude of electrostatic force is greater than that of gravitational force, the oil drop will start moving in upward direction.You need to login to perform this action.
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