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8. Why not use the coarse adjustment knob to sharpen the image?
a. It gives a dull image
b. It may crash and break the microscopic slide
c. Its field of view is limited
d. It is not used to sharpen the image​


Sagot :

Answer:

B

Explanation:

Coarse and fine adjustment The coarse adjustment knob should only be used with the lowest power objective lens. Once it is in focus, you will only need to use the fine focus. Using the coarse focus with higher lenses may result in crashing the lens into the slide.