Sasha is using the microscope below to look at onion cells. After she picks the lowest power objective lens, which adjustment knob should she use first to change the distance from the lens to the stage?
Question
Sasha is using the microscope below to look at onion cells. After she picks the lowest power objective lens, which adjustment knob should she use first to change the distance from the lens to the stage?
Solution
Sasha should first use the coarse adjustment knob to change the distance from the lens to the stage. This knob allows for larger, more significant adjustments to the focus. After the image is roughly in focus, she can then use the fine adjustment knob to sharpen the image.
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