If you have a transparent or thin specimen, do you need to open or close the iris diaphragm? As magnification decreases, does the light intensity need to increase or decrease?

Q: Why do you need to always focus slides initially using the x10 objective, even if you wish to use a…

A: A microscope is a device that magnifies an object so that it can be seen by the observer. A…

Q: What will you move/change to go from brightfield to phase contrast?

A: Phase contrast microscopy is a technique used to visualise transparent or translucent biological…

Q: Draw and label FIVE (5) main components for UV-Vis spectrophotometry. Briefly explain the function…

A: When Lab scientists have to be measured total protein by UV-spectroscopy some important things…

Q: OIL EMERSION IS REQUIRED FOR which lens

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

Q: IRECTION: 1) ILLUSTRATE THE SPECTROPHOTOMETRIC WORKFLOW PROCESS STARTING FROM THE LIGHT SOURCE UP…

A: Spectrophotometry is a common and inexpensive technique for determining light absorption or the…

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: Match the part of the microscope with its use. Dragged and dropped options on the right-hand side…

A: Microscope A laboratory tool called a microscope is used to look at things that are too tiny to be…

Q: What is the DFV of a 40x objective lens if the DFV of a 10x objective lens is 3 mm? Express your…

A: Microscope is an instrument which is used to view the microorganisms which cannot be seen by naked…

Q: Total Magnification is obtained by  Select one: A. Magnifying power of both the objective lens and…

A: Magnification is the term used for the increase in the size of the sample when seen under a…

Q: What is shown? Why did we use the slide? What is the arrow pointing to? What did we use it for? What…

A: Microscope is a instrument which is used to visualise the specimen that can't be seen by naked eyes…

Q: The most suitable angle for the cone of vision for drawing perspective is  60°  45°  30°  15°

A: The cone of vision is the region illustrated by drawing that shows the region a person with normal…

Q: Indicate how the resolving power is determined and howresolution affects image visibility.

A: Resolving power of a microscope is the reciprocal of the minimum distance at which two different…

Q: The ocular lenses magnify the specimen by how much?   Question 4 options:   5%   10%   15%…

A: A part of a microscope is called  ocular lens, which is an eyepiece. The ocular lens functions to…

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: If the total magnification is 2000X with the use of a 10X ocular lens, what is the magnification of…

A: Answer- 200X

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: If the specimen is appearing too dark, the light entering the __ can be adjusted by opening the…

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

Q: What happens to cause kVp to influence brightness when taking xrays?

A: The boundary or borders of a specimen or image must be visible for detail and precise study, and to…

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 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: Why must the subject stand 20 feet from the Snellen eye chart to test distance vision?

A: Snellen chart is an object used to measure the visual activity of a person. Snellen chart is first…

Q: How can you improve contrast when viewing a specimen?. What should you do if you have difficulty…

A: Step 1 Microscope (Greek. mikros− small, skipein− to see) is an instrument that is used for…

Q: What is the implication of a mark on the back of the eye when it appears black in a red free filter…

A: The red-free filters have a peak transmission of 540nm to 570nm in wavelength, allowing for…

Q: Define each of the following terms:  A) What is resolution and how is resolution related to the…

A: According to the question, we have to provide the solution of the questions one by one. These…

Q: While conducting an eye examination, the ophthalmologist shines a light into the client's pupil and…

A: The pupil is the opening in the center of the iris that allows light to enter the retina. The size…

Q: What is the significance of putting scale bar in photomicrographs?

A: Scale bar:A scale bar is an instrument or software that attaches to a slide or image when it is…

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

A: The lens is a part of eye which plays an important role in the vision. If its shape is changed, it…

Q: Why do you use immersion oil with 100X objective lens?

A: Introduction  A microscope is a scientific instrument that is used to view and magnify small objects…

Q: What process is responsible for position effect variegation?

A: PEV- Position effect variegation appears when a chromosomal rearrangement (either translocation,…

Q: Why should the “Bulls-Eye” pattern be followed when increasing magnification?

A: The question revolves around the significance of following the "Bulls-Eye" pattern when increasing…

Q: The numerical aperture of the an objective lens:   indicates magnification   indicates the…

A: Microscopy techniques enable users to observe specimens with much clarity and resolution. Various…

Q: What did you notice about the Scalp Bald Human photomicrographs shown at (a) 40x vs (b) 100x TM? Why…

A: Human hair detects insects on the skin before they attack or sting us, whereas hair on the scalp…

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 must the subject hold the Snellen acuity card close to his or her eyes to test near vision?

A: In the human body, common vision problems occur due to refractive errors rather than eye diseases.…

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: 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: Can you use the fine adjustment knob so that you can focus on all three threads simultaneously when…

A: Any object has depth, length, and width, but a microscope can focus and provide only a…

Q: List any five aspects of the Human Eye that allow it to record images in the real world.

A: The human eye is a sense organ which responds to visible light and enables us to utilise visual data…