graticules for dummies like you (:

Question 1

eyepiece graticule.

Answer 1

The graticule is a glass disc that is placed in the eyepiece of a microscope. A scale is etched on the glass disc.

Question 2

The scale on the eyepiece graticule cannot be used directly to measure the size of objects under a microscope’s objective lens because………

Answer 2

each objective lens will magnify to a different degree.

Question 3

we calibrate the eyepiece graticule with…

Answer 3

stage micrometre

Question 4

maths example

Answer 4

• 10 units on the micrometer scale are equivalent to 40 units on the graticule scale • therefore I unit on the micrometer scale equals 4 units on the graticule scale • as each unit on the micrometer scale equals 10 μm, each unit on the graticule equals I 0 + 4 = 2.5 μm.

Question 5

Answer 5

Question 6

question

Answer 6