How Science Works

Question 1

How to calibrate the eyepiece graticule with the state micrometer

Answer 1

1. line up eye piece graticule with stage micrometer
2. use the stage micrometer to calculate the size of one division on the eye piece graticule
3. take the micrometer away and measure how many divisions on the eyepiece graticule make up the object
4. calculate size by multiplying the number of divisions by the size of one division