The unit of least count of an instrument can be\

Question

Professor PC Thomas Classes · Answer

Least count of an instrument is the smallest quantity that can be measured accurately with the instrument. Usually it is the value of 1 division on the scale. For a meter scale it is one mm. For a watch it is 1 second\ For a burette it is 1 ml or $1 \mathrm{~cm}^{3}$\