Answer these questions in complete sentences:

a. When should the coarse adjustment knob be used?
b. Why should you NOT use the coarse adjustment knob on medium and high power?
c. How do you find total magnification on the microscope?
d. What is the difference between the compound light microscope and stereomicroscope?
e. What is the proper way to hold/move a microscope?

1 answer

a. The coarse adjustment knob should be used when initially focusing on a specimen under low power.
b. The coarse adjustment knob should not be used on medium and high power because it might result in crashing the objective lens into the slide or specimen, causing damage.
c. Total magnification on a microscope can be found by multiplying the magnification of the objective lens by the magnification of the eyepiece lens.
d. The compound light microscope is used for viewing small, transparent specimens and uses a beam of light passing through the specimen, while the stereomicroscope is used for viewing larger, solid objects and provides a three-dimensional view.
e. The proper way to hold and move a microscope is to grasp it firmly by the arm and base, keeping it upright and close to the body while walking.