Figure 1 shows the reading on a micrometer screw gauge.
Figure 1
A student measures and records 10 repeat readings of the diameter of a wire using a micrometer screw gauge in mm shown in Table 1.
Table 1
1.24 |
1.23 |
1.25 |
1.19 |
1.20 |
1.22 |
1.24 |
1.20 |
1.23 |
1.19 |
Determine the percentage uncertainty in the result the student obtains for the diameter of the wire.
Give your answer to an appropriate number of significant figures.
For the experiment, the student requires the cross-sectional area of the wire.
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