Question

4. There are two types of divisions on Verniet system, namely main scale division and Vemier scale division. Which of the two is closer?​

Answer 1

Explanation:

MSD = 101 cm = 0.1 cm 

For first vernier caliper, 10 VSD = 9 MSD

 ⇒ VSD = 109 MSD = 0.9×0.1 = 0.09 cm 

Reading 

= main scale reading upto coinciding main scale division − n × VSD 

= 3.5−7×0.09 = 3.5 – 0.63 = 2.87 cm 

For second vernier caliper, 10 VSD = 11 MSD 

⇒ VSD = 1011 MSD = 1.1×0.1 = 0.11 cm 

Reading =3.6−7×0.11  = 3.6 – 0.77 = 2.83 cm