Microscopes are often used to examine specimens which are too small to see in detail using only the human eye. Which of the following procedures should be followed prior to placing a specimen slide on the stage of the microscope?
A.
Turn the objective lens to the lowest magnification setting.
B.
Focus the microscope on the light source.
C.
Spit on the eyepiece to make sure that it is clean.
D.
Close the diaphragm so no light can enter.

Microscopes are often used to examine specimens which are too small to see in detail using only the human eye. Which of the following procedures should be followed prior to placing a specimen slide on the stage of the microscope?

Turn the objective lens to the lowest magnification setting.

Explanation:

Turnin of objective lens to the lowest magnification enhances visibility which would allow the lens to focus on the specimen clearly. It is always important to start with the lowest magnification.

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