To analyze the experiment used to determine the properties of an electron. In 19

Question

To analyze the experiment used to determine the properties of an electron. In 1909, Robert Millikan performed an experiment involving tiny, charged drops of oil. The drops were charged because they had picked up extra electrons. Millikan was able to measure the charge on each drop in coulombs. Here is an example of what his data may have looked like. In Millikan's experiment, the charge on each drop of oil was measured in coulombs. Imagine the same experiment, but with charges measured in a fictitious unit called a zeet (Z). What is the charge on an electron in zeets? Express your answer in zeets using two significant figures.

Explanation / Answer

As per this experiment 3.2 x 10-19 C is the same as 1.2 x 10-14 Zeet

so the ratio between the two is 3.2 x 10-19 C /1.2 x 10-14 Zeet = 2.667 x 10-5

The charge on an electron is 1.602 x 10-19 C in Zeet it is 1.602 x 10-19 x 1/2.667 x 10-5 = 6.00 x 10-15 Zeet

The charge on an electron is 6.00 x 10-15 Zeet

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