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Which objective lens should always be in place when beginning to use the microscope and when putting it away?
Wiki User
∙ 11y ago
The objective lens with the lowest magnification, usually 4x. Be sure to clean all the lens with lens paper before putting the microscope away.
Wiki User
∙ 11y ago
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When switching from the low-power objective to the high-power objective should you open or close the diaphragm Explain your answer?
When working with a microscope you should always take procauctions but one question I am asked a lot is When working with a microscope do you open or close the diaphram when working with the medium- and high-power objective nobs? The answer is you keep it open if you don't you won't be abler to see any thing.
How do you calculate the resolution on a light microscope?
Multiply the magnification of the ocular and objective lenses. For an example, an ocular lense with mag 10X and an objective lense with mag 40X would result in a total magnification of 400X.
Why must you always return to the low power objective before you put the microscope away?
The higher power objectives are longer and can result in scratching the lens the next time someone uses the microscope. It also encourages the user to remove any slides that may have been left which they otherwise would have missed.
Why is it essential that always focus away from object when looking into microscope?
In the end you will have to look into it, but at the start, when everything is far out of focus there is a real danger that as you try to find the focus you will grind the lower (objective) lens into the object, possibly destroying it, and damaging the lens at the same time.
What is the function of the lenses on a light microscope?
if its a student microscope, it magnifies 10x if not, it always is used to magnify and its where you put your eye
What is a scanning objective?
What is the function of the scanning objective on the microscope? What is the function of the scanning objective on the microscope? What is the function of the scanning objective on the microscope?
When you use a microscope why do you have to put the smallest lens back into place before putting the microscope away?
Because otherwise the sample might hit one of the lenses during loading or unloading. The smallest objective lens is always further away from your sample, that makes it safer to (un)load.
What should you always remember when handling microscope slides?
Do not allow the high power objective to tough the lenses
When switching from the low-power objective to the high-power objective should you open or close the diaphragm Explain your answer?
When working with a microscope you should always take procauctions but one question I am asked a lot is When working with a microscope do you open or close the diaphram when working with the medium- and high-power objective nobs? The answer is you keep it open if you don't you won't be abler to see any thing.
How do you calculate the resolution on a light microscope?
Multiply the magnification of the ocular and objective lenses. For an example, an ocular lense with mag 10X and an objective lense with mag 40X would result in a total magnification of 400X.
Why should preliminary focusing always be done upwards?
When focusing the microscope downward, you take the chance of damaging the expensive objective lens by crushing the slide trying to get it.
What is the magnification of a specimen viewed with a compound microscope under the 4X objective lens?
40 because you have to multiply the ocular lens times the objective lens and the ocular lens is almost always 10x i think. Hopefully it is in your case. I know our microscopes are like that. Hope this helps! :)
Which objective must be in position when you first set up a microscope?
I have always had the longest objective in position (pointing down), then lowered the lens to what I thought would be close to a good focus. This way, you can rotate the turret to the shorter lenses, and be assured that the lens body will not strike the stage or slide.
Why should you always move the objective lens away from the slide when you're focusing a microscope?
If you move closer while looking thru the lens, there is a danger of cracking the slide, especially using coarse adjustment.
Why is it important to have an objective?
its important to have an objective because you always supposed have an question to answer
Why must you always return to the low power objective before you put the microscope away?
The higher power objectives are longer and can result in scratching the lens the next time someone uses the microscope. It also encourages the user to remove any slides that may have been left which they otherwise would have missed.
Are there limitations of a microscope?
there will always be limitations to a microscope, but we will always be able to make an improved one which can see further than the one before...
