The inner diameter of a small test tube can be measured accurately using a
-
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
There is an explanation video available below.