INTRODUCTION
CELL STRUCTURE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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while focusing a microscope on high power a student crushed the cover slip. The student probably
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closed the diaphragm
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turned up the light intensity
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rotated the eyepiece
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used the course adjustment knob
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Explanation:
Detailed explanation-1: -The fine-adjustment knob on a light microscope focuses by moving the lens slowly and is used to focus on the specimen more clearly. It is used with the high-power objective lenses. The course-adjustment knob focuses by moving the lens quickly and is used to find the specimen your are observing.
Detailed explanation-2: -CAUTION: NEVER, EVER, use the coarse adjustment knob with the high power objective. This could break the lens.
Detailed explanation-3: -COARSE ADJUSTMENT KNOB-A rapid control which allows for quick focusing by moving the objective lens or stage up and down. It is used for initial focusing.
There is 1 question to complete.