The inner diameter of a test tube can be measured accurately using a?
A
micrometer screw gauge
B
pair of dividers
C
meter rule
D
pair of vernier calipers
Verified Correct Answer: D.
Physical Principles & Numerical Solution
Vernier calipers are also used to measure the internal and external diameters of a tube
Source: Myschool Past Questions Archive (Record #60750)