least count

Question

Least count of measuring instrument refers to:

RankGuru · Accepted Answer

The **Least Count** is the smallest value that can be measured accurately with an instrument.
- For a meter scale, it is $1 	ext{ mm}$.
- For a vernier caliper, it is often $0.1 	ext{ mm}$ or $0.02 	ext{ mm}$.
- For a screw gauge, it is often $0.01 	ext{ mm}$.
- The precision of an instrument is inversly related to its least count.

Rank Guru

least count

Select the correct option:

More least count Practice Questions

A vernier caliper has 10 vernier divisions coinciding with 9 main scale divisions (1 MSD = 1 mm). Wh...

A screw gauge has 50 divisions on its circular scale and moves forward by 0.5 mm when the circular s...