Q.

In a vernier calipers, (N+1) divisions of vernier scale coincide with N divisions of main scale. If 1 MSD represents 0.1 mm, the vernier constant (in cm) is:          [2025]

1 110N  
2 1100(N+1)  
3 100N  
4 10(N+1)  

Ans.

(2)