A vernier  scale  is used  in a fortin barometer  10 VSD  coincides with  19 MSD and
Channel: Doubtnut
Date: 2022-02-05

A vernier  scale  is used  in a fortin barometer  10 VSD  coincides with  19 MSD and 1 MSD =1 mm  and VSD  is further divided in two .Least count is -