Popular Branches
MBA
B.Tech
BBA
BSc
Home > Articles > Simple Microscope: Inventions, Parts, Principles, Magnification, Image Formed, Experiments and Uses
Updated on 26th September, 2023 , 8 min read
We've seen a wide range of laboratory equipment utilized for a variety of objectives. To observe the object/specimen clearly and magnifiedly, a basic microscope is utilized.
A basic microscope, like a magnifying glass, employs a single lens for magnification, but a compound microscope uses numerous lenses to increase the magnification of an item. It employs a lens to magnify an item solely through angular magnification, providing the observer with an erect enlarged virtual picture. Simple magnification devices such as magnifying glasses, loupes, and eyepieces for telescopes and microscopes employ a single convex lens or groups of lenses. It is essentially a convex lens with a short focal length that is used to observe magnified pictures of tiny things.
A simple microscope is used to observe an enlarged image of an item. The first primitive microscope, built by a Dutchman named Antonie Van Leeuwenhoek, consisted of a small single high-powered converging lens for examining freshwater bacteria. This was the foundation of the light microscope principle.
The mechanical components support the optical components and help them adapt for object focussing. They are made up of the following components-
Using ray optics, the optical components help in magnification and specimen viewing. This section contains the following elements, which are as follows-
A basic microscope is made out of a single lens known as a loupe. The most common modern example is a reading or magnifying glass. Higher-magnification lenses today are frequently manufactured with two glass components that generate a color-corrected picture. They are packed in a cylindrical shape that may be worn around the neck and held directly in front of the eye. These are commonly known as eye loupes or jewelers' lenses. The old basic microscope consisted of a single magnifying lens of adequate optical quality to observe microscopical species such as Hydra and protists.
As we all know, a basic microscope is used to magnify materials and is commonly employed in microbiology. Light from the light source is forced to travel through a thin, transparent object. A biconvex lens is used to magnify a virtual picture. The lens must be near the sample for increased magnification and resolution. Contrast may be found by inspecting the sample's details. This is accomplished by staining the sample. To achieve contrast in the image, the size and intensity of the light beam can be adjusted using a condenser or a diaphragm.
Because a basic microscope just has one objective lens, its magnification power is severely limited. In practice, most low-cost microscopes have a magnification power of just 10x. For a simple microscope, the magnifying power equation is as follows-
Where,
D is the shortest distance between unique visions.
F denotes the convex lens's focal length.
The magnification formula of a basic microscope states that the shorter the focal length of the lens used, the larger the magnifying power of the microscope's lens.
A light beam from the object (source) passes through the lens's center of curvature (C). Another light beam passes through the lens's focus, which is placed on the other side of the lens's main axis. The end product is a vertical, magnified, and virtual picture. As a result, a convex lens may be used as a basic microscope.
Aim: To create a basic microscope out of water.
Apparatus Required: A cup of water, the fuse wire, and the viewing object (newspaper works well because of its fine print)
Procedure:
Make a loop with a 2 mm broad wire and immerse it in water. To get an enlarged view of the item, hold the drop created within the loop as close to the eye as feasible.
Conclusion:
This technique is comparable to the pioneers of early microscopes, who magnified objects with small glass globules of water. The water droplet takes on the form of a convex lens, which refracts and converges light to the point where it can be seen clearly. Modern microscopes are made up of multiple lenses and can see incredibly small things thanks to the invention of the technology of grinding glass.
The following are some of the uses of a simple microscope-
The following table gives the details about the differences between single and compound microscopes-
Ans. For the first time, Giovanni Faber invented the term "microscope."
Ans. A magnifying glass creates a virtual picture.
Ans. The optical microscope was the first widely available equipment used to further our scientific understanding of life. It refracts visible light that has passed through a thinly sectioned material using lenses to form a viewable picture.
Ans. Robert Hooke's discovery of cells and subsequent publishing sparked a surge in interest in microbes. As a consequence, the current light microscope was invented and discovered.
Ans. A compound microscope is one with many lenses. A compound microscope is made up of many lenses and two optical elements known as the objective lens and eyepiece or ocular lens.
Ans. Doctors use simple microscopes to examine samples. It's also employed in Pedology (the study of soil particles).
Ans. A compound microscope is one with many lenses. A compound microscope is made up of many lenses and two optical elements known as the objective lens and eyepiece or ocular lens.
Ans. Although the basic microscope is the most often used instrument in classrooms and laboratories, additional microscopes such as electron, ultraviolet, interference, scanning probe, fluorescence, and compound microscope are also available.
Ans. The first basic microscope in history was created by a Dutch scientist named Antonie Van Leeuwenhoek.
Pilot Salary in India 2024: Starting Salary, Requirements, Qualifications, Per Month Salary
By - Nikita Parmar 2024-09-06 10:59:22 , 6 min readAns. In a basic microscope, the diaphragm is used to regulate the quantity of light traveling through the stage.
Ans. In 1670, Anton Van Leeuwenhoek designed and built the first microscope.
Ans. A compound microscope has 2-4 lenses.
Ans. A basic microscope is just a magnifying glass with a double convex lens and a short focal length.
Ans. Yes, a basic microscope is used to repair watches.
Ans. The stage is the name given to this platform.
Ans. A basic microscope employs a biconvex lens.
Ans. A basic microscope is made out of a single lens known as a loupe.