PH-1768
Parallax and zero errors
Physics · Secondary 4 · Medium · Parallax and zero errors
A micrometer screw gauge has a zero error of "+0.03 mm". It is used to measure the diameter of a thin wire and the reading obtained is 1.48 mm. What is the actual diameter of the wire?
- 1.45 mm
- 1.48 mm
- 1.51 mm
- 1.55 mm
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