Could you solve these problems? If the right ocular is set at 64, what should the...
Could you solve these problems?
- If the right ocular is set at 64, what should the left ocular be set at?
46
640
64
6
- Which knob do you turn away from you to raise the stage?
Fine focus knob
Coarse focus knob
Light source knob
Iris knob
- True or False? The course focus should be moved first when focusing on the image.
True
False
- What magnification should you move to after 10x?
4x
40x
400x
4000x
- What should be adjusted if the object looks bleached out (very light in color)?
condenser
iris
objective
stage
- What objectives should the specimen be centered between when you add the drop of oil?
4x and 10x
40x and 100x
10x and 40x
none of the above
- The total magnification for the specimen is 400x. What is the ocular and objective lens magnifications?
10X and 40X
10X and 4X
40X and 10X
4X and 100X
Homework Answers
1)If the right ocular set at 64 ,then left ocular set should be at 64 mm
The interpuppilary distance should be 64mm.
2) coarse focus knob is turned away from us to elevate the stage.otherwise the coarse focus knob is rotated in clockwise direction to elevate the stage to the objective lens.
3) True
The course focus should be moved first when focusing on the image. After that when the object is in the field then the fine focus knob is rotated to get a clearer image of the object.
4) iris diaphargm knob
Iris Diaphragm controls the amount of light reaching the specimen. It is located above the condenser and below the stage
5)None of the above
for oil immersion view the power of the objective lens should be 100x
and eyepiece should be 10x
6) 4X(eyepeice) and 100X (objective )
TOTAL MAGNIFICATION = eyepeice power* objective lens power
also the powe of the objective lens should be greater than the power of the eyepiece lens.
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