A vernier calipers has N vernier divisions equal to (N - 3) main scale divisions. One MSD is 0.60 mm and the least count is 0.03 mm. The value of N is:
Options

Question

A vernier calipers has N vernier divisions equal to (N − 3) main scale divisions. One MSD is 0.60 mm and the least count is 0.03 mm. The value of N is:

G1 Physics · Accepted Answer

For N VSD = (N − 3) MSD, least count = (3/N)(1 MSD). Hence 0.03 = (3/N)(0.60) = 1.8/N, giving N = 60.