1. What is the usual magnification of a high power objective (hpo)? A. 5X B. 10X C. 43x D. 97x 2. Which part of the microscope controls the amount of light reflected by the mirror? A. Diaphragm B. Mirror C. Objectives D. Ocular 3. Which part of the microscope holds objectives? A. Diaphragm B. Fine Adjustment C. Coarse Adjustment D. Revolving Nose piece