The external parts of an object can be measure accurately through the use of which scientific instrument?

A. Micrometer screw gauge
B. Vernier Caliper
C. Meter rule
D. None of the instrument

Correct Answer:

Option A – Micrometer screw gauge

Explanation

Micrometer screw gauge measures an object accurately (mainly on the external parts of the object). It measures the external parts of objects only