Q: When you increase magnification, what happens to field of view?
A: Magnification- Magnification is that the ability of a microscope to provide a picture of an object…
Q: Name one defect of vision which cannot be corrected by any type of spectacle lenses?
A: The eye is a complex organ that provides vision with the help of accessory organs (lacrimal…
Q: Define stimulated emission depletion (STED) microscopy technique.
A: The organisms or substances that cannot be observed with unaided eyes are microscopic. The equipment…
Q: Explain how the images are formed, along with the role of light andthe different powers of lenses.
A: The light microscopes or optical microscopes use visible light and a collection of lenses to magnify…
Q: Which objective is never used with the course focus adjustment knob?
A: Microscope is an instrument used to see the smaller size objects using combination of objective and…
Q: Give technical term for eye lens loosing flexibility resulting in kind of long sightedness in…
A: Long-sightedness is a condition in which a person is not able to see nearby objects. The distant…
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: 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: What is Audiometer? When is it used?
A: An Audiometer is a subjective device that is used to evaluate the hearing threshold of a person. It…
Q: When using a microscope, does the depth of focus decrease or increase with increasing magnification?
A: Microscope is an instrument used to observe minute organisms which are invisible to the naked eyes.…
Q: What is the diameter of the scanning field of view in millimeters? ___________
A: The microscope is an instrument which used to view and observe tiny organism or an object that…
Q: Which defect of vision can be rectified using a concave lens?
A: The eye is the organ of visual system that consists of rod and cone cells. These cells are present…
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: 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: What is the least distance of distinct vision of a normal human eye?
A: Least distance of distinct vision of human eye is the minimum distance of an object from an eye to…
Q: By what the transparent lens in the human eye is held in its place?
A: Eye is one of the sensory organs present in the body of an organism. It is responsible for sensing…
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: The least distance of distinct vision for an eye lens is caused by the action of the:(a) 25 m(b) 2.5…
A: Least distance of distinct vision is defined as the minimum distance of a object from eye to form…
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: While a student is examining the anterior half of the eye in cadaver lab, the cadaver lens falls…
A: The lens is made up transparent proteins called crystallins . The average concentration of lens…
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: 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…
A: The microscope is an optical instrument that is used to view microscopic objects. The microscope…
Q: What does the objective lens magnify
A: There are two types of lenses- 1. Objective lens- The lens near the specimen is called the objective…
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 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: 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: how do you think increasing the index of refraction will change the path of the light ?
A: Light rays travel through different medium. During this travel they either get reflected(bouncing of…
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 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: Explain the limitation of the focal plane as exhibited with this slide.
A: The focal plane is the point at which parallel light rays will meet after transmitting through the…
Q: Which letter on the figure below represents the light intensity control?
A: The above image is of a microscope.
Q: Which convex lens is called as converging lens?
A: A convex lens is a lens with two spherical surfaces that bulge outward from the middle. Therefore,…
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: Name the fluid that occupies the larger convity of eye ball behind the lens.
A: The eyeball is the spherical organ. It occurs in the bony orbit of the facial skeleton. It is mainly…
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: 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: Give the resolution of eyepiece, scanning objective, LPO, HPO and OIO
A: Resolution: The lowest distance at which two distinct points of a specimen can still be viewed as…
Q: Which of the following is NOT used to adjust the intensity of light? Question 1 options: iris…
A:
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: Hypermetropia can be corrected by the use of convex lens. Comment.
A: The ability to see is called vision. There are 3 common defects of vision, including myopia…
Q: Name the structure that hold lens in its position.
A: Humans have a pair of eyes located in sockets of the skull known as orbits. The human eyeball is…
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: 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: 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: Do the calibration factor computed varies according to different magnification (objective lenses…
A: A compound light microscope is a type of microscope which has own light source and more than one…
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: Which part of the human eye provides most of the refraction for the light raysentering the eye?
A: Sight is a very important sense, made possible by the eyes. The vertebrate eye is a very complex…
Which objective lens has the least working distance?
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- Which lens requires the use of cedarwood oil? Why is it important to use oil when focusing under this lens?What is the magnification power of the objective lenses? How does the eyepiece compare to the objective lens? What is a magnification power? Differentiate between the fine and the coarse adjustment knobs.what is the total magnification if the objective lens is 4x and the ocular lens is 10x?
- What is the relationship between the working distance of an objective lens and its magnification power?which objective lens is in place if the object you are viewing is magnified 1000x? (assume ocular lens magnification = 10x)What objective lens did not cause the lines on Slide B to be blurred together?
- Why is it necessary to use oil in conjunction with the oil immersion lens and not with the other objectives?What is the DFV of a 40x objective lens if the DFV of a 10x objective lens is 3 mm? Express your answer in μ (micra)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