객관식
Which type of microscope is most commonly used in biology laboratories for observing stained cells and tissues?
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5. Cell Components
Microscopes
객관식
Which of the following parts of a microscope controls the amount of light entering the specimen?
A
Iris diaphragm
B
Stage clip
C
Objective lens
D
Coarse focus knob
검증된 단계별 안내1
Identify the function of each part of the microscope listed in the options to determine which one controls the amount of light entering the specimen.
Understand that the iris diaphragm is a part of the microscope located beneath the stage and is used to adjust the amount of light passing through the specimen by opening or closing its aperture.
Recognize that the stage clip is used to hold the slide in place on the stage and does not control light.
Note that the objective lens is responsible for magnifying the image of the specimen and does not regulate light intensity.
Understand that the coarse focus knob is used to adjust the focus of the microscope by moving the stage up and down, and it does not control the amount of light entering the specimen.
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