# PHYSICS/ CHEM by HC121104002213

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```									                                                                                 Name: __________________________

GET SMARTER: Microscope Skills Practice Sheet
1. For each part of the microscope, please state its function.
A                Letter                Part               Function
A            Ocular Lens

B                 Arm

B                                    Objective
C
Lens
C                        D                 Stage
D                                 Course
E
Fine
F                F
H
G                 Base
G
H            Diaphragm

2. Briefly explain how you calculate               3. If the diameter of the field of view is 8mm under 30x,
the total magnification of a                       and 4mm under 60x, what is the diameter under 300x?

4. Assume that the diameter of the field of view is 5.0 mm. What is the approximate size of the
critter observed in the sketch?

Approximate Size of Critter: ________________

1a )magnifies image 10x b) used to carry c) magnifies image d) holds slide e) focuses image f) focuses details of image h)
controls amount of light 2) Multiply ocular lens by the objective lens 3) 0.8mm 4) ~1.6mm

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