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From the diagram above, the measuring accuracy of the micrometer screw gauge is

Physics
JAMB 2016

From the diagram above, the measuring accuracy of the micrometer screw gauge is

  • A. 4.78mm
  • B. 4.16mm
  • C. 4.66mm
  • D. 4.70mm
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Correct Answer: Option B
Explanation

Micrometer screw gauge reading = main scale reading + vernier scale reading

                                          = 4.0mm + 16mm = 4.16mm

There is an explanation video available below.

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Explanation Video

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WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
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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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Post UTME Past Questions Agent
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Your School's Whatsapp Group - Join Us now