Multiple Choice
Which term describes a microscope that remains in focus when changing objective lenses?
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5. Cell Components
Microscopes
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Which part of the microscope is used to vary the magnification of the view of the specimen?
A
Stage
B
Objective lenses
C
Diaphragm
D
Coarse focus knob
Verified step by step guidance1
Understand the function of each part of the microscope mentioned in the problem: The stage is where the specimen is placed, the diaphragm controls the amount of light passing through the specimen, the coarse focus knob adjusts the focus, and the objective lenses are used to vary magnification.
Recall that magnification refers to the ability to enlarge the view of the specimen, which is achieved by changing the lenses with different magnification powers.
Identify that the objective lenses are the parts of the microscope that can be rotated or switched to provide different levels of magnification, such as 4x, 10x, or 40x.
Note that the other parts listed (stage, diaphragm, coarse focus knob) do not directly change the magnification but serve other functions like positioning, light control, and focusing.
Conclude that the correct answer to the question is 'Objective lenses,' as they are specifically designed to vary the magnification of the view of the specimen.
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