JEE Main20249 Apr 2024Morning ShiftPhysicsExperimental PhysicsActual
One main scale division of a vernier caliper is equal to m units. If n ^ th division of main scale coincides with (n+1)^ th division of vernier scale, the least count of the vernier caliper is :
Options
- An (n+1)
- B1 (n+1)
- Cm (n+1)
- Dm n(n+1)
Correct answer
C. m (n+1)
Step-by-step solution
aligned & n M S D=( n +1) VSD & 1 VSD = n n +1 MSD & L C =1 MSD -1 VSD & L C = m - m ( n n +1 ) & L C = m ( n +1- n n +1 ) & L C = ( m n +1 ) aligned