Q: 8.Explain what the coarse focus knob does and what the fine focus knob does. 9. What is different…
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Q: which objective lens is in place if the object you are viewing is magnified 1000x? (assume ocular…
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Q: OIL EMERSION IS REQUIRED FOR which lens
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Q: Which objective lens has the least working distance?
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Q: What is the area of field of view in micrometers on 400x magnification. Please show work.
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A: Numerical Aperture (N.A) of a microscope objective is a measure of its ability to gather light.
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Q: Why is it necessary to use oil in conjunction with the oil immersion lens and not with the other…
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Q: Match the lens (condenser, high-dry, low-power, ocular, or oil immersion) to its description.This…
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Q: Explain the Workings of an oil immersion lens.
A: Oil immersion lens: A type of objective lens that can focus when there is a drop of liquid (such as…
Q: Match the lens (condenser, high-dry, low-power, ocular, or oil immersion) to its description.This…
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Q: What does the objective lens magnify
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Q: what objective lens is the oil objective lens?
A: We have to determine the objective lens that is used for oil immersion.
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Q: Why is it advisable to start first with the low-power lens when viewing a slide?
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Q: What was needed after you use the 100 x lens? O use Chemwipe to clean the lens O use water to clean…
A: We use oil while using a 100X lens to reduce refraction.
Q: What is the magnification power of the objective lenses?
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Q: Why must the angle of astigmatism be determined before the corrective power of the lenses ? the…
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Q: Which power (low or high) will magnify the object more?
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Q: The purpose of the ocular lens is to O increase the light. magnify the image from the objective…
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Q: what happens to brightness of the field of view when you switch to the high power objective
A: MAGNIFICATION It is the process of enlarging the apparent size of an object. This property of…
Q: Why is it important to use immersion oil when using the 100X objective? What do you think would…
A: Answer: MICROSCOPE = It is the instrument used to magnify the smaller objects to make them enlarge.…
Q: Match the lens (condenser, high-dry, low-power, ocular, or oil immersion) to itsdescription. Choices…
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Q: Which objective lens has the greatest working distance
A: The distance between the specimen and the objective lens is called working distance.
Why is it not irecommended to start with high dry or oil immersion lenses
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- Why is it necessary to use oil in conjunction with the oil immersion lens and not with the other objectives?What is the significance of using oil with the immersion lens and why can't oil be used with any other lens?Which of the following affect the resolution of a specific objective lens? CHECK ALL CORRECT CHOICES. Magnification Numerical Aperture (NA) Warelengthrofgnt combg tough t Field of View
- John observed bacteria at 100X under the oil immersion and then decided to go back to 40X objective by raising the oil objective a little to avoid the damage to objective lens. Critique his technique.Why must the angle of astigmatism be determined before the corrective power of the lenses ? the corrective power is determined first , it will be difficult to determine which are blurry the corrective power is determined first , will look blurry If the corrective power is determined first , all lines will look clear .Contrast for a specimen may be adjusted by _____. Question options: Adjusting the iris diaphragm Lowering the stage Turning off the substage condenser light source Changing the objective lens
- Match the lens (condenser, high-dry, low-power, ocular, or oil immersion) to itsdescription. Choices may be used more than once. Diopter adjustments can be made to this lens.While looking into your compound light microscope you find that only part of the specimen is visible. What might be the cause? Question options: Insufficient illumination from the substage condenser. Iris diaphragm has not been properly adjusted. Your objective lens has not clicked fully into position. Your objective lens is dirty.If you have chosen the objective lens with 10x and the ocular lens magnification is also 10x. Then the total magnification will be 100x. True False
