Which instrument would be used to accurately measure the internal diameter of a glass bottle?

Ametre rule

Bvernier callipers

Ctape measure

Dmicrometer screw gauge

Explanation

Vernier callipers have inside jaws made for internal diameters; a micrometer measures small external thicknesses.

ZIMSEC Combined Science 4003/1, Specimen Paper 2018, Q27

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