A direct vernier has 80 VSD = 78 MSD and 1 MSD = 0.4 mm. Enter the least count in micrometres.

Physics · Units, Dimensions, Measurements and Errors · Vernier Calipers and Screw Gauge: Measurement and Errors

JEE MainsNEET

A direct vernier has 80 VSD = 78 MSD and 1 MSD = 0.4 mm. Enter the least count in micrometres.