An oil drop of 12 excess electrons is held stationary under a constant electric field of 2.55 × 104 NC-1 (Millikan’s oil drop experiment). The density of the oil is 1.26 gcm-3. Estimate the radius of the drop. (g=9.81 ms-2; e=1.60×10-19 C).

An oil drop of 12 excess electrons is held stationary under a constant electric field of 2.55 × 104 NC-1 (Millikan’s oil drop experiment). The density of the oil is 1.26 gcm-3. Estimate the radius of the drop. (g=9.81 ms-2; e=1.60×10-19 C).

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Chapter30: Atomic Physics

Section: Chapter Questions

Problem 2PE: (a) Calculate the mass of a proton using the charge-to-mass ratio given for it in this chapter and...

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An oil drop of 12 excess electrons is held stationary under a constant electric field of 2.55 × 10⁴NC^-1 (Millikan’s oil drop experiment). The density of the oil is 1.26 gcm^-3. Estimate the radius of the drop. (g=9.81 ms^-2; e=1.60×10^-19 C).

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