Can you use the fine adjustment knob so that you can focus on all three threads simultaneously when viewing them under high power? Why or why not?

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: 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: What is the diameter of field of view for the high-power objective in millimeters and micrometers?

A: A microscope is a device that allows the examining of small objects, including cells. The picture of…

Q: 8.Explain what the coarse focus knob does and what the fine focus knob does.  9. What is different…

A: Microscopes are extremely significant equipment that is mostly utilized in the field of science. The…

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: 6. Moves stage up and down for focusing; large amounts a) Fine Focus Knob b) Large Focus Knob c)…

A: Answer:- Option C -  Course Focus Knob is the correct choice. Coarse Focus Knob - It is also known…

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: 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: What total magnification will be achieved if the 10× eyepiece and the 100× objective are…

A: The microscope is an instrument which used to view and observe tiny organism or an object that…

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: 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: Discuss the optics of imaging the source onto the retina.

A: The retina is a thin layer of tissue that surrounds the back of the eye on the interior. It is…

Q: Match the objective lenses with permissible behaviors: For some rows you’ll list more than 1…

A: Adjust focus using coarse adjustment knob- A.4X   Adjust focus using the fine adjustment knob-B.10x

Q: To ensure easier focusing, what should be done first before the HPO is swung into position?

A: High power objective lens is used to examine fine details of the given specimen. The total…

Q: Which objective lens has the least working distance?

A: In microscopy, the working distance can be defined as the distance between the front lens of the…

Q: Explain the low-angle rotary shadowing.

A: Rotary Shadowing : It allows high contrast visualization of of both individual macromolecules and…

Q: Why is that when performing retinoscopy on a myopic patient we will see against motion, unless…

A: Retinoscopy is used for measuring the refractive error of an eye.

Q: What is the relationship between the diopter number that show up on opthalmoscope when one is…

A: Scientific notations are used in writing medical reports including an eye check-up report that an…

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: 1. What is the difference between a zoom knob and focus knob? 2. What is another name for the ocular…

A: A microscope is a scientific tool that is used to look at items that are very tiny to view with the…

Q: How do you identify which objective lens are you using to view your sample?

A: microscope objectives feature a range of magnifications from 1.25x to 150x. This is the first…

Q: Why is a normal eye not able to see clearly the objects placed closer than 25 cm?

A: The eye lens is composed of fibrous, jelly-like material. To see closure and distant object, Its…

Q: difference in using a coarse adjustment knob and a fine adjustment knob

A: Microscope is a scientific device that can be used to see the objects or structures that cannot be…

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: A. Microscopy Operating Procedure: Place the microscope close to the edge of the table. Select a…

A: The images contains the flow chart for part A of the procedure.

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: 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: Amplitude summation occurs in phase-contrast optics when both direct and diffracted rays area. in…

A: The microorganism is the organism that is too small to be seen with the naked eye. It is viewed by…

Q: The pupil of a person's eye changes from a diameter of 3.5 mm to 1.5 mm as the illumination is…

A: During dim light, the size of the pupil expands so that more light enters our eye and it helps to…

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 power (low or high) will allow you to see more of the object?

A: Hello, thank you for your question, hope this answer helps you.

Q: What are the functions of the Fine Focus, Coarse Focus, Stage Clip, Rack Stop, Arm, Eyepiece,…

A: A microscope is considered a laboratory instrument to observe microorganisms, small objects, cells,…

Q: If a darkfield condenser causes all light rays to bypass the objective, where does the light come…

A: In bright-field microscopy, thin and transparent objects cannot be seen properly because of the…

Q: Match the following steps with the order in which they should occur when using a stereomicroscope.…

A: Compound and stereo microscopy are the two most common types of microscopes. Stereo microscopes have…

Q: Does the image contrast increase or decrease when closing the diaphragm during microscopy.

A: There are many objects that cannot be seen with naked eye. To view those objects different…

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 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: 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: Which light source will provide you with greater resolution than green light, blue or red light?…

A: The resolution is defined as the smallest distance between two molecules or substances that can be…

Q: Pleas draw the Fischer projection and Haworth's projection

A: D-glucopyranose is a D-configuration glucopyranose. It functions as a human metabolite,…

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: 1. After focusing to LPO, you were asked by your teacher to shift to HPO (high power objective) but…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: How can you compare various parts of eye with a photographic camera?

A: The eye of a human and camera are similar in their mechanism. Both of these are involved in…

Q: Which objective lens has the greatest working distance

A: The distance between the specimen and the objective lens is called working distance.