Mathematics · Units and Measurements
A screw gauge with nil zero correction gives the following reading when used to measure the diameter of a wire. Pitch scale reading = 0 mm and head scale reading = 52 divisions. Given that 1 mm on the main scale corresponds to 100 divisions of the head scale, the diameter of the wire is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.52 cm
- 20.26 cm
- 30.052 cm✓
- 40.0052 cm
Correct answer
0.052 cm
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