These exercises are not divided by category, although they are roughly in the order of the topics in the chapter. They are not paired.
Suppose a scientist repeats the Millikan oil-drop experiment but reports the charges on the drops using an unusual (and imaginary) unit called the warmomb (wa). The scientist obtains the following data for four of the drops:
Droplet | Calculated Charge (wa) |
A | 3.84 × 10-8 |
B | 4.80 × 10-8 |
C | 2.88 × 10-8 |
D | 8.64 × 10-8 |
(a) If all the droplets were the same size, which would fall most slowly through the apparatus? (b) From these data, what is the best choice for the charge of the electron in warmombs? (c) Based on your answer to part (b), how many electrons are there on each of the droplets? (d) What is the conversion factor between warmombs and coulombs?
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