The field of view under the 4x objective is 3.3mm and a specimen looks like they can fit about 10 times across the field of view.

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: Instrument used to weigh objects in the metric system lab What instrument did you use to weigh…

A: The International System of Units (SI) is a more accurate version that is used by researchers in…

Q: A student is viewing the letter "e" on a slide. The studentcan clearly see the letter when using the…

A: The amount or degree of visual enlargement of a seen item on a microscope is referred to as…

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: It is acceptable to use the course focus adjustment on a microscope when the scope is set to high…

A: A part of Microscope: [use]                Under the hood of Coarse & fine adjustment, the…

Q: What is reflectance spectrophotometry  What are it's general principles  Reflectance…

A: Answer 1 - Reflectance spectrophotometry is a spectrophotometric technique. Here, from the surface…

Q: Table 1. Objective Lens Scanner Low Power Objective High Power Objective Oil Immersion Objective…

A: Objective lens It is the most important optical unit for determining the optical microscope's…

Q: What are the two sets of magnifying lenses called, and how do these relate to total magnification?

A: The microscope is an instrument that is used in laboratories to view very small objects like a cell,…

Q: True or False: A first step in the forensic examination offibers is to compare color and diameter.…

A: A forensic examination is usually done at the crime scene to identify the victim. The forensic…

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: Sample A: Sample B: Sample C: Sample D: Sample E: Sample F: 22mm 18mm 35mm 30mm 28mm 28mm 21mm 17mm…

A: Introduction The zone of inhibition is the area around an antibiotic pot where bacteria cannot grow.…

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: What kinds of organisms did van Leeuwenhoek observe though his microscope?

A: Anton von Leeuwenhoek observed various microbes under this microscope. small animals such as fleas,…

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: 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: Mesh is the most common unit of measurement used for sieves. It is the number of openings in one…

A: Mesh is the most common unit of quantification used for screens and sieves. It is used as quality…

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 is the total magnification of a specimen viewed with a 10x ocular lens and a 45x objective…

A: The correct ans is 450X. The total magnification of specimen viewed with a 10x ocular lens and 45x…

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: True or False  1. When focused on a specimen, the working distance when using the 4X lens is less…

A: A microscope is an instrument used to see objects that are minuscule or cannot be seen with the…

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: The specimen you are examining is very thin and transparent. What can you do to make it easier to…

A: The field of view is the maximum area visible through the lenses of a microscope, and it is…

Q: rovide proper definition and purposes of the ff:  Scanner Low power objective High power objective…

A: Scanner: is a device that optically scans images, and text, and converts them to digital data or…

Q: Movement of the Specimen on the Stage and its Corresponding Movement in the eyepiece: Table…

A: Introduction A microscope is a scientific tool that is used to study items that are too small for…

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

A: The lens in the microscope provides the primary magnification of the objects. There are several…

Q: Give the importance of using cedarwood oil with the oil immersion objective.   make it concise and…

A: Cedar tree oil is one of the most commonly used immersion oil to view the sample under a microscope…

Q: occular micrometer placed in objective lens O true false

A: Introduction :- To magnify an item and project a larger image, the objective lens is made up of many…

Q: Degree of clarity is known as contrast magnification resolution O wavelength

A: A microscope is a laboratory instrument used to examine objects that are too small to be seen by the…

Q: TRUE or FALSE only! 1. Problem: Calibrating ocular micrometer using the stage micrometer under…

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

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

A: A microscope is an optical instrument that magnifies minute objects like microorganisms, minerals,…

Q: The field of view (FOV) is the entire circular image we see when looking into the eyepiece. The…

A: Microscope is an optical instrument which has major application in visualizing very small 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: The lens closest to the specimen is called the______________.

A: While doing experiments in a laboratory microscope is used to identify the characteristics of…

Q: it takes a snail to move between two points. A ramp was made, covered with a pie and placed on a…

A: Good experiment should be clear and reproducible, repeatable. Variables and control should be proper…

Q: Forensic Science Evidence Handling Worksheet Objective: Read the scenario below then identify the…

A: As a detective we sholud maintain a diary to record all the things like statements of the witness ,…

Q: Total magnification of a specimen using the high objective and the ocular lens is

A: B) 40Ox 400 x is the typical magnification of an ocular lens.

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: Why do you use oil on the slide to be examined with the oil-immersion objective?

A: Oil immersion microscopy increases the refractive index of a specimen when used in the correct way.…

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: Good blood film should not cover the entire surface of slide and have .waves and holes

A: Blood is the most essential body fluid in some animals and humans which is involved in delivering…

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: A michroscope has a 20x ocular and two objectives of 10x and 43x respectively: calculate the…

A: Apparent magnification of the objective is provided by the proportion of the viewing angle of its…

Q: What technology is used for flat panel displays? A. Solid state B. RBG monitor C. VLSI D.…

A: A flat-panel display is essentially an electronic display gadget used to provide individuals to see…

Q: If the specimen measures 150mm and you draw it 50mm, how many times you have it reduced?

A: Magnification is defined as the ability to make smaller object to see it in larger manner.  In this…

Q: 4. The micrograph below is 12,000X enlargement. Based on this, determine the actual size (length) of…

A: Introduction  The cell is life's most fundamental structural and functional unit. Every cell has a…

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: What is the purpose of examining your specimen slide using low power objective first nefore high…

A: Objective lens are magnifying lens that functions to magnify an image. These lens make an important…

Environmental health and hazards

An organism's environment is the environment in which it lives and has an impact on its well-being. The World Health Organization (WHO) defines environmental health as "those aspects of public health, such as quality of life, that are influenced by physical, chemical, biological, social, and psychosocial components in the environment." Environmental health is concerned with both natural and man-made settings in order to enhance public health. Environmental science, occupational medicine, toxicology, and epidemiology are the key subdisciplines of environmental health.