Question

What is Least count of main scale of a vernier scale is calibrated in mm and 19 division of main scale are equal
In length to 20 division of vernier scale

Answer 1

Answer:

The Least Count is 0.05 mm.

Explanation:

According to question,

= 19 Main Scale Divisions = 20 Vernier Scale Divisions

= 19/20 = Vernier Scale Division Gap

= 0.95 mm = Vernier Scale Division Gap

= Least Count = One main scale division/No. of vernier scale divisions

= 1/20 mm

= 0.05 mm

Hope this helps.