When operating a microscope, always put the object into focus using the _______ power lens first. Then, if needed, switch to a _______ power lens and adjust the focus using the fine focus knob. A. medium; higher B. highest; lower C. medium; lower D. lowest; higher

What is used to adjust the amount of light passing through the specimen in a light microscope?2019 Atomi QuestionA(Choice A)Fine focus knobB(Choice B)DiaphragmC(Choice C)Coarse focus knobD(Choice D)Objective lens

explain why only the fine adjustment knob should be used when focusing a specimen using the high power objective lens of the light microscope

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?

Look at the picture of the microscope. To move the objective lens up and down, I would turn the _________ __________ dial. Which two words complete the sentence?

Give two tips for the effective use of a microscope.