Physics · Units and Measurements
The pitch of a screw gauge is 1 mm and there are 100 divisions on the circular scale. When nothing is put in between the jaws, the zero of the circular scale lies 8 divisions below the reference line. When a wire is placed between the jaws, the first linear scale division is clearly visible while the 72nd division on the circular scale coincides with the reference line. The radius of the wire is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 11.80 mm
- 20.82 mm✓
- 30.90 mm
- 41.64 mm
Correct answer
0.82 mm
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