Find the decay constant of the material

Reference no: EM13262333

1.) In a repeat of the Millikan Oil drop experiment, a student found that she could suspend a 1.0 µg oil drop between two parallel plates 1.0 mm apart if she placed a 100 kV potential between the plates. How many electrons where on the oil drop? (e = 1.6 x 10-19 C)

2.) If 70% of a radioactive sample has decayed in 5.0 x 103 years, what is the decay constant of the material?

Reference no: EM13262333

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