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The inner diameter of a small test tube can be measured accurately using a

The inner diameter of a small test tube can be measured accurately using a
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Micrometres screw gauge
  • B Pair of dividers
  • C Metre rule
  • D Pair of vernier calliper
Correct Answer: Option D
Explanation:
A vernier scale is a visual aid to take an accurate measurement reading between two graduation markings on a linear scale by using mechanical interpolation; thereby increasing resolution and reducing measurement

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