Physics · Units and Measurements
Using a screw gauge of pitch 0.1 cm and 50 divisions on its circular scale, the thickness of an object is measured. Taking significant figures into account, it should correctly be recorded as:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 12.12 cm
- 22.125 cm
- 32.124 cm✓
- 42.121 cm
Correct answer
2.124 cm
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