13. Total magnification is the product of two values - one is the power of the eyepiece. What is the other one?
a. Ocular lens
b. Objective lens
c. Illumination
d. Light source

14. Which part of the microscope contains the shutter that regulates the amount of light entering the lens system?
a. The condenser
b. The eyepiece
C. The stage
d. Fine adjustment knob a.

15. When using the high power objective, which one should you NOT adjust?
a. coarse focus
b. fine focus
c. diaphragm
d. stage clips​