The Microscope

1. Which two parts of the light microscope magnify the image of an object?

• a. Eyepiece and diaphragm

• b. Eyepiece and mirror

• c. Eyepiece and objective

• d. Objective and stage condenser

2.The following are the mechanical parts of the microscope EXCEPT:

• A. arm

• B. eyepiece

• C. body tube

• D. revolving nosepiece

3. A plant cell is viewed using a 10x eyepiece magnification and 40x HPO. How many times will it be magnified?

• (A) 10 times

• (B) 40 times

• (C) 140 times

• (D) 400 times

When looking at letter “e” under the microscope, what is the position of the letter as seen under the microscope?

• (A) The position stays the same.

• (B) The “e” is positioned diagonally.

• (C) The letter “e” appears larger and inverted.

• (D) The position cannot be identified due to its enlarged magnification.

5. Which of the following steps should be done first in focusing a specimen under the microscope

• A. Place a slide so that it directly aligns with the center hole of the stage.

• B.Turn the revolving nosepiece to LPO.

• C. Rotate the Course Adjustment Knob until the specimen can be clearly seen.

• D. Look through the eyepiece and adjust the mirror to look for a light source.