INTRODUCTION
MICROSCOPE PARTS MAGNIFICATION RESOLUTION
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
coarse adjustment knob
|
|
|
fine adjustment knob
|
|
|
diaphragm
|
|
|
rotating nose piece
|
Detailed explanation-1: -Coarse Adjustment Knob-The coarse adjustment knob located on the arm of the microscope moves the stage up and down to bring the specimen into focus.
Detailed explanation-2: -IRIS DIAPHRAGM CONTROL-A lever (or rotating disk) that adjusts the amount of light illuminating the slide. Use just enough light to illuminate the object on the slide and give good contrast.
Detailed explanation-3: -The microscope stage can be raised and lowered more quickly with coarse adjustment by turning the coarse adjustment knobs. The smaller knobs, called fine adjustment knobs, are similarly used to adjust the stage, but at stronger magnifications, they do so more gradually and with better control.
Detailed explanation-4: -Stage adjustment knobs – located below the stage to control forward/reverse and side to side movement of the stage. Coarse adjustment knob – for focusing ONLY when using scanning objective lens. Fine adjustment knob –brings object into clearest focus.
Detailed explanation-5: -Focus (fine), Use the fine focus knob to sharpen the focus quality of the image after it has been brought into focus with the coarse focus knob. Illuminator, There is an illuminator built into the base of most microscopes.