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The diagram above is a micrometer screw gauge. Determine its reading.

Physics
WAEC 2017

The diagram above is a micrometer screw gauge. Determine its reading.

  • A. 2.44mm
  • B. 2.46mm
  • C. 2.86mm
  • D. 2.96mm
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Correct Answer: Option B
Explanation

- Main scale: 2 mm  
- Thimble scale: 46 divisions × 0.01 mm = 0.46 mm  

Total reading = 2 + 0.46 = 2.46 mm

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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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