Q: What is the two-point discrimination threshold, and what does it measure?
A: Sense of touch is referred to as tactile sense and it forms the largest sensory system in the body.…
Q: Which color has largest wavelength?
A: The sun releases light energy that has three main components: ultraviolet radiation, visible light,…
Q: numerator and denominator mean in the visual acuity chart
A: Visual Acuity Test It is a series of diagnostic techniques used in the examination of eyes, the…
Q: To what extent do external factors influence brightness consistency?
A: The selection, organization, and understanding of insights can contrast among various individuals.…
Q: Do zwitterions interfere with the different color reaction tests?
A: A molecule with a charge of zero and at least two functional groups, one positive and the other…
Q: If we used the 365nm setting on the UV light box would this have caused more or less UV light…
A: Ultraviolet light cause health issue as it is associated with DNA damage and skin cancer. Sunlight…
Q: Explain the low-angle rotary shadowing.
A: Rotary Shadowing : It allows high contrast visualization of of both individual macromolecules and…
Q: What color of light results from the addition of cyan light and red light? green blue white magenta
A: Green, blue and red are primary colours. When these colours are mixed in different proportions new…
Q: Differentiate between the concepts of magnifi cation, refraction, and resolution and explain how…
A: Magnification is the ability of the microorganism to make the tiny objects appear larger and more…
Q: For dispersion of light through a prism which colour has maximum deviation?
A: A glass prism is a transparent material with flat polished surfaces that refract light. A dispersive…
Q: Why is it difficult to see colors in dim light?
A: The back portion of the eye that responds to light is called the retina. This is carried out with…
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: What could cause deviations in scores, for color hue tests? Besides change in light
A: Farnsworth-Munsell Color Hue Vision Test is one of the most common tests performed to check the…
Q: True or false light can bounce off of things , be bent , and be absorbed?
A: Light is defined as an electromagnetic wave or radiation. In other words, light can also be referred…
Q: What is the primary difference between the method of focusing used by the eye and by a camera?…
A: Eye is a magnificent natural living organ that records the image whereas camera is also an…
Q: What are the light sources used in UV-vis spectrophotometry.
A: In case of visible spectrophotometers, the wavelengths measured are in the visible light range…
Q: What is the definition of tympanometry?
A: Tympanometry is a kind of examination which is used for testing: Status of middle ear Assessing the…
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: choose one of the vision problems that can be corrected by LASIK.
A: LASIK is a surgical process in which the surgeon modifies the tissue shape present in front of the…
Q: What happens to your image if you try to magnify it using 40x or 100x?
A: The microscope is the instrument used for magnifying or the enlargement of the object to be…
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: What are the divisions of white light according to the electromagnetic spectrum? Which are the two…
A: The white light is made up of seven colors spread between the wavelength of 400 nm to 780 nm. This…
Q: ? which device is used for refraction A direct ophthalmoscope .B retinoscope .C slitlamp .D…
A: According to the question, we have to find out which of the following device is used for refraction.…
Q: Which letter on the figure below represents the light intensity control?
A: The above image is of a microscope.
Q: What do you mean by persistence of image?
A: The persistence of vision means the same as the flicker fusion, an effect that seems to continuously…
Q: Why does Houston think dark matter is horse pucky?
A: We live in a universe in which much of the space appears to be filled with nothing but emptiness.…
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: Why is it necessary to use contrasting stains while staining
A: Introduction:- Cell staining is a technique that allows you to see cells and cell components more…
Q: Where does the TPC diverge from the SPEC in terms of focus?
A: TPC or Transaction Procession Council is an organization that standardizes benchmarks for relational…
Q: what is the ability of a panelists to identify color differences in samples?
A: Perception is our sensory state of awareness around us, which includes both the awareness of…
Q: In the blueprint experiment, what would be the result of not exposing the print to sunlight for a…
A: Introduction Blueprints are created using the cyanotype process, which was invented in 1842 by…
Q: You should always position the cells or tissues in the center of view before increasing…
A: It is important to position the cells or tissues in the centre while viewing under a microscope…
Q: What process is responsible for position effect variegation?
A: PEV- Position effect variegation appears when a chromosomal rearrangement (either translocation,…
Q: spectrophotometry, what is the role of the green background in the set-up? What does it represent in…
A: Introduction:- Spectrophotometry is a technique for determining how much light a chemical substance…
Q: What color does an object appear if it absorbs light at both 420-500 nm and at 620-700 nm? a.…
A: The human eye can detect and is sensitive to visible light in the electromagnetic spectrum. The…
Q: What is the principle behind a UV-Vis spectrophotometer, and what are its key components, and how…
A: UV-vis spectrophotometry or UV spectroscopy types of absorption spectroscopy or reflectance…
Q: Why are you unable to focus on images closer to your eye than the near point values you determined?
A: The organ that provides vision is the eye and the main function of the eye is to focus the light.…
Q: Which of the following is NOT used to adjust the intensity of light? Question 1 options: iris…
A:
Q: k there are 2 staining reagents applied in differential s
A: Differential Staining- It is a staining process which uses more than one staining reagent. it is…
Q: The Duquenois-Levine test is a valuable color test for
A: We can say that, In a forensic chemical analysis of an unknown material, the analytical method is to…
Q: White, gray, and black are identified as a. monochromatic hues b. complementary hues c. analogous…
A: Hue It is defined as the property of the color through which it is recognized as ranging from the…
Q: What is the stationary and mobile phase of spectrophotometry?
A: Introduction A biotechnique based on the principle of quantitative measurement of light intensity…
Q: Adding white to a hue creates a ____ while adding black to the same hue creates a _____. A.…
A: Hue The dominating color family is referred to as hue. Hues include primary and secondary colors…
Q: ________ disparity refers to the slightly different view of the world that each eye receives. A)…
A: To identify: To identify the correct option that refers to slightly different view of the world that…
Q: The Duquenois–Levine test is a valuable color test for___________.
A: In a forensic chemical analysis of an unknown material, the analytical method is to narrow down the…
Q: If you have a transparent or thin specimen, do you need to open or close the iris diaphragm? As…
A: Shutting the iris diaphragm will decrease the measure of enlightenment of the specimen yet expands…
Q: Briefly describe the use of refractive index in contrast.
A: Two types of pictures are created by the microscopes' lenses when a specimen is placed beneath the…
What are the two things that can be done to improve contrast?
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Why is the red-to-far-red light ratio a good indicator of the degree of shading?How can you improve contrast when viewing a specimen?. What should you do if you have difficulty focusing in high power?. Why is important to use the fine adjustment nob only when focusing while using the high dry objective lens?Do zwitterions affect the various color response tests?
- To what extent do external factors influence brightness consistency?What did you notice about the Scalp Bald Human photomicrographs shown at (a) 40x vs (b) 100x TM? Why do you think your instructor is asking you to look at it at two different total magnifications?Which letter on the figure below represents the light intensity control?
- Why should the “Bulls-Eye” pattern be followed when increasing magnification?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?Adding white to a hue creates a ____ while adding black to the same hue creates a _____. A. shade........tone B. tint..........tone C. shade.........tint D. tint............shade