H2P-199
Random and systematic errors
H2 Physics · JC 1 · Medium · Random and systematic errors
A student measures the mass of a small block as g using a digital balance. Which of the following best describes the precision of this measurement?
- It is precise because the balance has a small scale division of 0.1 g.
- It is imprecise because the reading is not an integer number of grams.
- It is imprecise because the balance may have a zero error.
- It is precise only if the true mass is exactly 125.6 g.
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