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.

Q: Contrast for a specimen may be adjusted by _____. Question options: Adjusting the iris…

A:

Q: If a light microscope has a objective power of 150x and an ocular power of 10x, what is the total…

A: Microscope  The tool which is use to see microscopic organisms.

Q: What did you notice about the Human Palmar Skin photomicrographs shown at (a) 400x vs (b) 100x TM?…

A: Note: since you have posted multiple questions and didn’t mention which one needs to be solved. As…

Q: What part of the microscope is used to make small-scale adjustments to the height of the stage?…

A: A microscope is an instrument that is used to magnify the image of small microscopic objects like…

Q: 1 Repeat the above procedure on the high-power (40x) objective. When increasing magnification, what…

A: A microscope is used to study even the minute microscopic particles or organisms. The major parts of…

Q: 4X 4X 4X A 10x 10X 10X 40x 40X 40X 100x 100X 100x COARSE FOCUS FINE FOCUS ICHT ADUST COARSE FOCUS…

A: Cells are the biological, structural and functional unit of an organism. Cell has a nucleus. Nucleus…

Q: Imagine someone is using a microscope with 5x eye pieces (instead of 10x) Complete the sentence.…

A: In light microscopy, there are several different types of microscopes, but the four most common are…

Q: Table 1. Objective Lens Scanner Low Power Objective High Power Objective Oil Immersion Objective…

A: Objective lens It is the most important optical unit for determining the optical microscope's…

Q: What is the specific objective lens that is used to locate the specimen and first focus? Explain.…

A: When focusing on a slide, ALWAYS start with either the 4X or 10X objective. Once you have the object…

Q: My daughter have eye retina area is yellow. Please suggest biotechnological solution.Describe your…

A: Macular degeneration affects the central area of the retina which is responsible for the detection…

Q: What are the two sets of magnifying lenses called, and how do these relate to total magnification?

A: The microscope is an instrument that is used in laboratories to view very small objects like a cell,…

Q: What new details are you able to see on the slide when the magnification is increased to 10x that…

A: Magnification is the ability of an instrument to enlarge microscopic images which are not visible to…

Q: When you are using the 40X objective you should never use the: O iris diaphragm O fine focus coarse…

A: Microscope is an instrument used to view minute / microscope object. It consist of two lens :- A)…

Q: Jessica placed crystal violet ,grama's iodine and safranin reagents on her bench.Which staining…

A: The correct option is . A Gram's Staining procedure

Q: After focusing the specimen in hpo, you switched the objectives halfway and dropped enough immersion…

A: A microscope enables us to view microbial lifeforms that are not visible to the naked eye. The…

Q: What kinds of organisms did van Leeuwenhoek observe though his microscope?

A: Anton von Leeuwenhoek observed various microbes under this microscope. small animals such as fleas,…

Q: Put the steps for using a microscope in order.    While looking through the eyepiece, use the…

A: A microscope is an instrument used to see objects that are too small to be seen by the naked eye.…

Q: Match each item with the correct compound light microscope part below.   objective lenses…

A: The most common instrument used to visualize small objects in labs is a microscope. Objects that are…

Q: Why is it necessary to use oil in conjunction with the oil immersion lens and not with the other…

A: Oil immersion is a technique in light microscope used to increase the resolving power of a…

Q: To alter the amount of light coming through the stage someone should adjust the: Group of answer…

A: Microscope stage  Microscope stage is the place where object to be seen is putted.

Q: Match the lens (condenser, high-dry, low-power, ocular, or oil immersion) to its description.This…

A: The microscope is an optical instrument that is used to view microscopic objects. The microscope…

Q: When using the 40X objective, the total magnification is

A: The total magnification of microscope must be calculated by multiplying the magnification of eye…

Q: Does the specimen on the slide change size as you change objectives and get closer or farther out?…

A: A coumpond microscope is used to magnifying the image of any object or specimen.

Q: If a microscope ocular lens has a power of 10x and the objective lens has a power of 20x then the…

A: Introduction: For imaging, optical microscopes combine ocular and objective lenses (eyepieces). The…

Q: Why are stereomicroscopes often referred to as dissecting microscopes?    Stereomicroscopes come…

A: The stereoscopic is an optical microscope variant designed for low magnification observation of a…

Q: What objective lens did not cause the lines on Slide B to be blurred together?

A: A microscope is a lab instrument that is used to examine objects that are too small to be seen by…

Q: A student using a microscope measured the low power field diameter to be 7.1mm. The student then…

A: A compound microscope has two sets of lenses. The lens you look  through is called the ocular. The…

Q: What is the diameter of the field of view (DFV) of a 1000x objective lens if the DFV of a 400x…

A: Given: Objective lens 1 magnification= 1000x DFV1 = ? Objective lens 2 magnification= 400x DFV2 =…

Q: Fill in the charts below. For your actual microscope, you will find the magnifications of the ocular…

A: Microscopy is a technique of incorporating microscopes to enlarge the size of objects (invisible to…

Q: In light microscopy, when magnification is increased, the lens focuses closer to the sample.  This…

A: Microscope helps to observe the organisms or objects that cannot be seen by our naked eye because…

Q: occular micrometer placed in objective lens O true false

A: Introduction :- To magnify an item and project a larger image, the objective lens is made up of many…

Q: What is the proper method of cleaning the microscope? Select an answer. a. Change the magnification…

A: Compound microscopes should generally be serviced after about 200 hours of use.

Q: If the total magnification of a slide is 400x and the ocular lenses are 10x, what is the magnifying…

A: Magnification is the process of enlarging the apparent size. This enlargement is quantified by a…

Q: Why is it not irecommended to start with high dry or oil immersion lenses

A: Microscopes are used for viewing those specimens which are very minute and cannot be seen through…

Q: You should always put oil on the slide before you try to get it into focus at low magnification.…

A: Microscopy is the use of microscope to visualize microorganisms that cannot be seen by unaided eyes.…

Q: These cells are being viewed under high power.  Use the length of just one cell to estimate the…

A: Field of view or FOV is said to be the area which could be observed by the microscope. Measurement…

Q: Which of the following parts was absent from Leeuwenhoek’smicroscopes?a. focusing screwb. lensc.…

A: Leeuwenhoek microscope was a simple single lens device but it had greater clarity and magnification…

Q: Match the lens (condenser, high-dry, low-power, ocular, or oil immersion) to itsdescription. Choices…

A: Magnification is defined as the processes of increasing the size of the object in its image. It does…

Q: If the ocular lens of a microscope has 10x magnification, calculate total magnification: Objectives…

A: A microscope is an instrument that is used in histology to view magnified images of objects. There…

Q: al said that the microscope had a total of 400x magnification because the eye tube had a level of…

A: Sal said that the microscope had a total of 400x magnification because the eye tube had a level of…

Q: Why do you need to move the lever of the aperture diagram all the way to the left (smallest value)…

A: DOING THIS WILL HELP PREVENT EYESTRAIN. ONCE THE SPECIMEN IS IN FOCUS, IT IS TIME TO ADJUST THE…

Q: Using the scanning (4x) objective and the metric ruler, record the number of millimeters you see…

A: A microscope is an instrument which is used to enlarge microscopic images which are not visible to…

Q: Why is it necessary to use the fine adjustment knob with higher magnification?

A: Microscopy is an analytical technique used in all fields of life science. It is used to magnify and…

Q: Ocular lenses Locate the parts on the microscope that allow you to: Objective lenses • Move the…

A: Microscope is a instrument that is used to see the microscopic organisms in a magnified point of…

Q: You can see your cells using the scanning and the 10x objective lenses. You cannot focus on anything…

A: Oil immersion is used to visualize the internal parts of the cell at the maximum magnification 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: Table 1: Microscope Magnification Magnifying power Objective 4X Objective Eyepiece Total name…

A: Table 1 Scanner Eyepiece-.10x   Objective-4x.   Total-40x Low power Eyepiece-.10x   Objective-. 10x…

Q: What is the purpose of examining your specimen slide using low power objective first nefore high…

A: Objective lens are magnifying lens that functions to magnify an image. These lens make an important…

Q: Compute the total magnification. [Use 10x magnification for eyepiece] 1. Scanning 2. LPO

A: Magnification alludes to an activity of amplifying something. Moreover, it alludes to amplifying the…

Q: Rowena was tasked to measure the actual magnification of her specimen mounted on a  slide without…

A: A simple microscope is a magnifying glass with a short focal length and a double convex lens. The…