Question

What is ment by least count of an instrument??

Answer 1

the smallest value that can be measured by the measuring instrument is called its least count....

Answer 2

The smallest value that can be measured by the measuring instrument is called itsleast. count .
for calculating least count of any instrument __________Divide 1 cm into that much number of divisions; the value obtained is the least countof the main scale in cm. For example, if there are 10 divisions in one centimeter of the main scale its least count = 1/10 = 0.1 cm. Number of divisions on Vernier scale: In most Vernier calipers, the Vernier scale has 10 divisions.