Question

How do you measure one small division in a thermometer? Also calculate reading from the thermometer given in picture

Answer 1

first you find out the number of division between 1 Degree.
There are 10 division between 35 to 36.
Therefore least count of thermometer= 1/10
= 0.1 degree Celsius.
Reading from thermometer = 37 + 0.1 x 9
= 37.9 degree Celsius.