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Home > Articles > Uses of Microscope: Definition, Microscope Magnifying Power, Types, and How to Use
Updated on 25th September, 2023 , 7 min read
We all know that one of the primary applications of a microscope is to observe things that are so small that they are undetectable to the human eye. This gadget has a variety of uses depending on the sectors in which it is employed. It may be used to solve crimes, treat diseases, produce new materials, and even analyze fossils from history.
A microscope is a tool used to examine small things. They are frequently employed in labs. With a basic microscope, a convex lens is used to alter how light reaches the eye. There are several types of microscopes that are used for various reasons. The microscope was invented in the 16th century by Zacharias Janssen, a Dutch eyeglass manufacturer.
The magnifying power is the range of power with which the microscope enlarges the picture of the item. We use the following formula to represent it-
M = tan𝛳tan𝛳= angle occupied by the final picture with relation to the eye angle occupied by the item seen directly (dimensionless ratio).
Here,
tan 𝛃≈ 𝛃 tan = α ≈ α |
Below is the image depicting the ray diagram defining its magnifying power-
Therefore, the microscope formula's magnifying power is the ratio of the angle subtended by the final picture to the eye and the angle subtended by the object viewed directly, given that both are held at the minimum distance for distinct vision (-25 cm). When the angles are very small, the aforementioned two scenarios are feasible.
As a result, we rewrite the above equation as-
M = 𝛃α |
The following are some of the uses of microscopes in different fields-
The most significant contribution of humans to healthcare would not have been achieved without the use of microscopes. This equipment is used by scientists and lab experts to investigate numerous viruses and bacteria and to develop remedies for various ailments. This equipment is used by researchers to examine harmful germs and how they influence the human body.
A compound microscope is a key diagnostic instrument used by pathologists. During the day, pathologists examine several specimens under a microscope. As a result, they require a microscope with an ergonomic design and a comfortable viewing angle. Seeing a crystal clear image on a high-definition screen using a camera has made their lives easier these days.
Teaching microscopes may be found in every laboratory of important departments in numerous institutions, including colleges, schools, and universities, among other optical devices. Students use microscopes to discover new things and comprehend the world around them, as well as to try to grasp the fundamental building blocks of everything around us, such as what a cell looks like.
Inverted microscopes are the foundation of biological research. The objective lenses of an inverted microscope are stored beneath the stage, allowing the user to set the petri dish on a flat stage. In-vitro fertilization, live-cell imaging, developmental biology, and cell biology are all performed with inverted microscopes. This gadget is also used to study microorganisms and their characteristics. Even compound microscopes are employed in this discipline to investigate bacteria, cells, and other organisms. This technology aids scientists in their investigation of biological creatures and cell architecture.
Compound microscopes are mostly used in botany to examine materials at the cellular level. This gadget is used by lab experts and students who wish to examine the characteristics of leaves, their cells, and many other aspects of a plant. Botanists conduct many types of studies on various plants and fungi for research goals, which allows them to discover numerous new traits.
The study of insects can focus on a wide range of themes, including ecosystemsand their constituent populations, creatures, cells, and chemical processes. Each type of study needs its own set of procedures. As a result, a microscope is an essential instrument in zoology, as are some physicochemical approaches for isolating and characterizing molecules. Light microscopes are required for a wide range of zoological applications, including screening, sorting, and manipulating your samples with stereo and zoom microscopes, as well as documentation and photography.
A stereo microscope is a type of microscope that is used for measurement, quality control, inspection, and applications in soldering, the watch industry, and manufacturing operations. Each of these industrial inspection microscopes offers a distinct answer to the inspection process. Stereomicroscopes are available with both built-in and external fiber optic lighting.
Stereomicroscopy may be used to identify trace evidence such as pieces, fibers, hairs, and fingerprints left at the crime scene or on a victim or suspect. Microscopes are used in crime scenes to reduce complex evidence and analyze it in order to solve crimes. This equipment is used for forensic purposes and to determine whether or not a criminal is innocent. There is a significant use for these gadgets in this industry, and without them, it will be impossible to investigate some items that are not apparent to human sight.
In laboratories, several types of microscopes are available for use. All microscopes have various purposes, applications, and significance. There are five primary types of microscopes listed below, along with microscope photos-
Description | Uses |
A basic microscope is made up of only one lens. It features a double convex lens with a short focal length. It generates a visual representation by generating a large picture of microscopic items. It is used for extremely simple objectives rather than large-scale inquiries. Basic Components- An eyepiece, body, specimen stage, objective lens, aperture diaphragm, nosepiece, and base. |
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Description | Uses |
A compound microscope features a concave mirror surface on one side and a flat mirror surface on the other. A compound microscope has several lenses and is used to study real-world items that are too tiny to be seen by the human eye. It is usually used for in-depth investigations. Basic Component- A compound microscope's components include a base, arm, stage, clips, diaphragm, nosepiece, coarse adjustment knob, and fine adjustment knob. |
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Description | Uses |
An electron microscope is a microscope that observes an object using electrons rather than light. Electromagnets serve as a lens in an electron microscope, and the entire system operates in a vacuum. Because an electron microscope has a high resolution, it may provide a high-resolution picture of an item on a fluorescent screen. It is used in in-depth investigations. Moreover, electron microscopes are classified into two types- Transmission Electron Microscopes (TEM) and Scanning Electron Microscopes (SEM) Basic Components- An electron microscope's numerous components include light sources, electromagnetic fields, image viewing systems, and recording systems. |
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Description | Uses |
A stereo microscope depicts an object or specimen in three dimensions. Each eye has its own objective lenses and eyepieces. The magnification of stereo microscopes is lower, but the working distance is greater. Basic Components- Include eyepiece lenses, an alternative eyepiece, an eyepiece tube, a diopter adjustment knob, and objective lenses. The focus, working stage, stage clips, and transmitted lighting are other important components. |
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Description | Uses |
A scanning probe microscope is a type of microscope that examines objects at the nanoscale level. This sort of microscope is useful for studying the qualities of the material, as well as its reaction time and behavior when triggered. |
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The microscope can be used for the following purposes-
A microscope is a device that magnifies tiny objects or specimens. Through a lens, an image of an item or sample may be viewed or observed in detail. Different microscopes serve distinct functions. Some are used to examine the form of a cell and its nucleus, others for criminal investigation, others for evaluating illnesses or allergies, and still more for high-resolution imaging or nanoscale measurements. In this essay, we investigated the purposes of the microscope as well as its images.
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By - Nikita Parmar 2024-09-06 10:59:22 , 6 min readAns. A microscope is a device that magnifies an item or specimen.
Ans. In a microscope, a concave mirror is used to focus light on the item being examined.
Ans. A basic microscope employs a concave reflecting type mirror.
Ans. Microscopes are used for a variety of applications by biological scientists, forensic science technicians, jewelers and gemologists, and environmental and geoscientists.
Ans. The father of microscopy is Antoni van Leeuwenhoek.
Ans. The advent of the microscope allowed mankind to explore the realm of extremely microscopic creatures, where disease-causing compounds could be identified, named, and finally avoided. Light impacted the sight of images, according to Charles Spencer.
Ans. The inventor of the first microscope is unclear; however, Zacharias Janssen, a Dutch eyeglass manufacturer born in 1585, is credited with developing one of the earliest compound microscopes (those with two lenses) in about 1600.
Ans. Image creation in an optical microscope occurs in the middle picture plane due to a conflict between direct sunlight that has unalterably passed through the specimen and light that has diffracted through the specimen’s small characteristics.