pre lab microscope

which statement is true

what is the maximum total magnification achievable with the microscopes without using oil

400X

which objectives are the course adjustment knob used with to focus on a specimen

red and yellow objectives

which part of the microscope is most useful for enhancing the contrast between the specimen and surrounding structures

iris diaphragm

what should you do if you cannot focus the specimen at 40X

use the fine focus knob for better adjustment

???

150X

do not

you can focus down into different layers of tissue

which two parts of a microscope should you hold when carrying it

head and the base

what is the meaning of a “parfocal” in the context of a microscope

the microscope slide remains in focus when switching objectives

what is the correct objective to use with the fine adjustment knob when focusing on a specimen

all objectives