Additional questions for Lab #3

 

 

 

 

1.       What is the meaning of parfocal?

 

2.       What is the difference between the condenser and the diaphragm?

 

3.       The field diameter of a microscope at 40x is 5mm.  What will be the the field diameter of this microscope in µm at 100x magnification? (show your calculation)

 

4.       A ream of paper is 3.2 cm thick.  What is the thickness of one sheet of paper in mm and µm?