Question

The figure below shows the scale of a measuring instrument when measuring the thickness of an object.

Figure 1

1. Name the instrument to which the scale belongs.
2. Find the reading of the instrument shown.

Answer 1

1. Name the instrument to which the scale belongs. 
   • Vernier calliper
2. Find the reading of the instrument shown. 
   • Main scale 5.00
     Vernier scale (2 x 0.01) = 0.02
     5.00 + 0.02 = 5.02 cm