Why do you use immersion oil with 100X objective lens? O to increase image resolution O to lubricate the objective lens O to make the light brighter to increase focus
Q: In this image a stage micrometer and an ocular micrometer are aligned so that the 10 o.u. line…
A: Given: 10 o.u. aligns 100 um. 90 o.u. aligns 200 um. This basically means: 90-10 o.u. = 200-100 um…
Q: Contrast for a specimen may be adjusted by _____. Question options: Adjusting the iris…
A:
Q: As with standard phase contrast microscopy,differential-interference contrast microscopy depends on…
A: Differential interference microscopy needs many optical parts, thus it may be terribly costly to…
Q: What is the function of the nosepiece? holds the eyepiece lens you look through source of light…
A: The nosepiece of the microscope is a rotating turret that houses the objective lenses. The viewer…
Q: The total magnification achieved when using a 100× oil immersion lens with 10× binocular eyepieces…
A: The light microscope uses visible light and a system of lenses to magnify images of small subjects.…
Q: what happens to the field of view as magnification is increased useing shccdssively higher power…
A:
Q: II. Complete the following table: LENS N.A. MAGNIFICATION TOTAL MAGNIFICATION Eyepiece 10X Scanning…
A: Microscopy is the field of science that deals with the study of objects with the help of…
Q: Which part of the light microscope controls the intensity of light entering the viewing area…
A: Correct answer: Diaphragm
Q: It is desirable that the microscope objectives be parfocal because the specimen will be…
A: Microscopic organisms are small organisms that are not visible to the naked eye and can be seen only…
Q: What is the significance of using oil with the immersion lens and why can't oil be used with any…
A: An instrument that is used to see extremely small objects that cannot be seen by naked eyes is…
Q: If your object appears too small, you can increase its size on a compound microscope by altering the…
A: A microscope is the instrument by which we can observe very little object. Microscopes are of…
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: To alter the amount of light coming through the stage you should adjust the: iris diaphragm O coarse…
A: Effective illumination in a microscope is required for efficient magnification and resolving power.
Q: What is the area of field of view in micrometers on 400x magnification. Please show work.
A: A microscope is an instrument used to see enlarged images of a specimen, which otherwise cannot be…
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: All other things being equal, the objective lens with the highest value for numerical aperture…
A: Numerical Aperture (N.A) of a microscope objective is a measure of its ability to gather light.
Q: Imagine you are using a microscope with 5x eye pieces (instead of 10x like ours). If you change from…
A: given that the initial two magnifications are 5x and 10x , and final magnification is 5x and 40x
Q: If the stain is too red to the naked eye, what can be done to correct this? O that is normal O check…
A: Staining is a microscopy auxiliary method used to improve contrast in the microscopic image. Stains…
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: The primary difference between a TEM and SEM is in a. magnification capability b. colored versus…
A: Electron microscopy is widely used to obtain high-resolution images in various domains of science.…
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: Which lens requires the use of cedarwood oil? Why is it important to use oil when focusing under…
A: Microscopes are important instrument which allow the enlargement of image produced by object when…
Q: A good way to increase the depth of focus on a slide is to: O Increase the magnification Decrease…
A: Microscope is an instrument used to view the small size objects because it magnify the image.
Q: The microscopic part that carries the objective lenses is the O base arm O stage O body tube…
A: A microscope is a device that magnifies a tiny object, exposing details that would otherwise be…
Q: Which of the following affect the resolution of a specific objective lens? CHECK ALL CORRECT…
A: A microscope is a device that allows you to examine tiny objects, including cells. The picture of an…
Q: part you look through contains lenses that-- * contribute to total magnification eуepiece Fine…
A: Technology has advanced significantly over the course of many centuries. According to studies,…
Q: Microscopic samples can be stained. the stains are used to increase and improve O resolution and…
A: Staining It is defined as a technique through which the cells or thin sections of biological tissue…
Q: What is the diameter of the field of view (ie. Diameter2) when the total magnification is 100X?…
A: Field of View is the diameter of the circle of light visible through the microscopic lenses.
Q: Which statement is NOT true about gradient echo sequence: O a. Produces T2 weighted image O b. Uses…
A: Answer c. Blood and calcium appear dark
Q: regarding the slit lamp .A it uses diffuse illumination only .B
A: A slit lamp is kind of instrument that consist a high-intensity light source that can be focused to…
Q: How does the numerical aperture of an objective lens affect resolution?
A: Numerical aperture of an objective lens denotes the measurement of ability of lens to gather light…
Q: What do you think would happen if you tried to view a slide using the oil immersion lens but forgot…
A: Q. What do you think would happen if you tried to view a slide using the oil immersion lens but…
Q: The coarse and fine focus knobs adjust the distance betweena. the objective and ocular lenses.b. the…
A: A magnifying lens is an instrument that amplifies an item so it might be seen by the spectator.…
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: The part of the microscope that controls the amount of light that passes through the specimen is the…
A: The microscope is one of the most important inventions in the field of science. It is extremely…
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: True-False The coarse focus knob can be used to adjust the focus when using any of the objective…
A: The microscope is a crucial instrument required in all the microbial and cell culture laboratories.…
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: 10X)? If it is seen under the objective lens of a. 5X b. 40X с. 100X
A: Objective lens and eyepiece or ocular lens are the parts of a light microscope. Eyepiece is…
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: While using a microscope, when do you use immersion oil? a. When viewing a slide under the 100x…
A: INTRODUCTION When viewing stained smears under 100x we use immersion oil. That can increase…
Q: what happens when you change the objective lense
A: The compound light microscope is routinely used in cell biology laboratories to observe the internal…
Q: The purpose of the ocular lens is to O increase the light. magnify the image from the objective…
A: Introduction :- An eyepiece, also known as an ocular lens, is a type of lens used in optical…
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: mmersion oil is necessary when using the 100» ompound light microscope O otherwise the image will be…
A: A laboratory instrument used to examine the microscopic organism is known as the microscope. In…
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- Question 10 When you increase magnification, what happens to field of view? O It gets smaller O It moves to the left O It gets wider O It moves to the rightQuestion 4 What are the magnification abilities of each of the objective lenses? Scanning ( small lens ). red ring [ Choose ) Low-power ( medium lens ), yellow ring [ Choose] High-power ( large lens ), blue ring [ Choose) Oil immersion ( largest lens ), white ring [ Choose] > > > >Question 13 Astigmatism is a result from a defect in the curvature of the cornea or lens sclera photoreceptors pupil size
- [QUESTION EDIT REUPLOAD] What is the diameter of the field of view (DFV) of a 40x objective lens in the DFV of a 10x objective lens is 3mm? express your answer in micra Use the formula: M1 * DFV1= M2*DFV2Contrast 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 lensWhat is the diameter of the field of view (DFV) of a 1000x objective lens if the DFV of a 400x objective lens is 500 μ? Express your answer in mm.
- Question 15 While viewing a slide under the microscope, I can use 100 x lens directly. O True O FalseCompute the total magnification. [Use 10x magnification for eyepiece]1. Scanning2. LPO3. HPO4. OIOQuestion # 138 A 53-year-old man comes to the office because of difficulty reading fine print over the last year. He ow has to hold books, menus, and magazines at an arms length in order to read them. He has never had visual problems before. Which of the following is most likely abnormal in this patient? A Corneal shape B Lens elasticity C Lens opacity D Macula E Peripheral retina F Intraocular pressure
- Fill the blanks from given options. You can zoom it's clearQUESTION 37 of your The ability to distinguish between two closely spaced, adjacent objects is a result of the microscope. O magnification O field of view O parfocal O working distance O resolutionQuestion Arm Base Light source Ocular Body tube Objectives Nosepiece Stage Mechanical stage controls Iris diaphragm Illumination control knob Condensor m All Answer Choices A. Permits rotation of objective lenses B. Also known as the eyepiece & magnifies the image C. This conducts the light between the objective lens & the ocular lens D. This adjusts the light intensity E. This supports the microscope & is also used to carry the microscope F. This is used to adjust the lighting when focusing on a specimen G. This is where the slides are placed H. These knobs are used to move the stage I. Narrows the light beam J. This is used to carry the microscope K. These are located close to the specimen being viewed & help to magnify the image L. Illuminates the slide