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Microscopes

Microscopes are used to look at things that are not visible to the naked eye. This category would demonstrate how microscopes work and information about different kinds of microscope.

4,322 Questions

What are the three microscopes scientists use on organisms?

SEMs - Scanning Electron Microscope : Fires a wave of electrons into an organism of any size, creating a 3D image in black and white. High Resolution, high magnification.

TEMs - Transmission Electron Microscope : Fires a beam of electrons into the organism on the slide to magnify it in perfect resolution and high magnification. 2D Images can be created using them.

CMs - Compound Microscope : Most common, can see microscopic organisms at low resolutions.

What is the function of an base on the microscope?

The base of a microscope provides stability and support for the entire microscope. It is the bottom part of the microscope that houses the illuminator and may contain the on/off switch and intensity control for the light source. The base also serves as a platform for placing the slide or specimen being examined.

What are the functions of the base and the arm of microscope?

The arm holds the tube, containing the optics, along with the eye piece and the focusing mechanisms. It is designed for great strength so, it can also be used as a handle while carrying it.

The arm supports the tube and connects it to the base. The base keeps the microscope steady and prevents any unwanted wobble or shaking. It also acts as a support for the entire scope as well, to stabilize and protect the microscope.

What can you observe to the objectives of a microscope?

You can observe small objects such as cells, bacteria, or particles with a microscope to investigate their structure, behavior, and composition. Microscopes allow for detailed examination and analysis of tiny specimens that are not visible to the naked eye.

Why does a doctor use a microscope?

A doctor uses a microscope to view cells, tissues, and other specimens at a magnified level in order to diagnose and treat diseases accurately. The microscope allows them to see details that are not visible to the naked eye, helping them make informed decisions about a patient's health.

What is the definition of body tube for a microscope?

The body tube of a microscope is the cylindrical part that connects the eyepiece to the objective lenses. It houses mirrors and prisms that direct light through the lenses to magnify the specimen. The body tube's role is to maintain the correct distance between the eyepiece and the objectives for proper focus.

Can a 900x microscope see blood cells?

Yes, a 900x microscope can see blood cells. Blood cells are typically between 6 to 8 micrometers in diameter, which is well within the resolution range of a 900x microscope.

What is the science behind microscopes and telescopes?

Microscopes use lenses and light to magnify and visualize tiny objects, allowing us to see details at the cellular and molecular level. Telescopes use mirrors or lenses to collect and focus light from distant objects, allowing us to observe and study celestial bodies like planets, stars, and galaxies. Both instruments rely on the principles of optics to enhance our ability to see and study things that are not visible to the naked eye.

What is OIO in microscope?

oIO, stands for oil immersion objective. it was discovered during 1870. the OIO, magnifies the actual size of the specimen , 100 times, with the aid of placing a drop of ceddar oil at the top of the coverslip in slide. Remember that the OIO objective must touch the surface of the oil.

Who was the dutch scientist who first saw microorganisms under a microscope?

Antonie van Leeuwenhoek, a Dutch scientist, was the first to observe microorganisms under a microscope in the 17th century. He is often considered the father of microbiology for his pioneering work on microscopy and the discovery of microscopic life forms.

Why is it necessary to master the parts of the microscope and their function?

It would be more accurate to say that it is useful to master the parts of the microscope and their function, rather than necessary. Lots of people manage to live happy and successful lives without using microscopes. However, microscopes do allow us to see things that would otherwise be too small to see, and by seeing those things, we get a better understanding not only of the world of nature, but of our own bodies, which is essential to the modern practice of medicine. So, microscopes matter. Whether you personally want to use one is up to you.

Who invented the microscope most like modern ones?

Antony van Leeuwenhoek is often credited with inventing the microscope most like modern ones. He constructed a simple microscope with a single lens and achieved high magnification, allowing him to observe bacteria, red blood cells, and other microscopic organisms. His work laid the foundation for modern microbiology.

Why are cells dyed before being looked at with a light microscope?

Cells are dyed before being viewed under a light microscope to enhance the visibility of certain structures within the cell. This process, known as staining, helps highlight specific components such as the cell nucleus or organelles, making it easier to analyze and distinguish different cell types.

Why electron microscope cannot be used to study life processes?

Electron microscopes use electron beams, which can damage living tissues and alter their structure. This can lead to inaccurate observations of life processes. Additionally, samples for electron microscopy need to be dehydrated and coated with heavy metals, which can interfere with biological processes in living organisms.

Why do you have to handle the microscope properly?

Handling the microscope properly is important to prevent damage to the delicate lenses and internal components. Proper handling also ensures that the microscope remains calibrated and provides accurate results during observations. Failure to handle the microscope correctly can result in decreased image quality and potential costly repairs.

What is the function of the medium power objective in the compound microscope?

Medium power objective gives the medium (as oppose to large or small), field of

vision and the greatest depth of field. When you move the lens' position (CLose or far from the slide) it would be the middle.

Read the textbook it will be of more benefit; or look it up on the internet you are on anyways. Type [edu] with brackets for a page of more scholarly links (if their domain is .edu).

What is the function of the stage clip in the compound microscope?

The stage clip in a compound microscope is used to hold the microscope slide in place on the stage. It ensures that the slide is secure and stable while viewing specimens under the microscope. This helps prevent any movement of the slide that could affect the quality of the observation.

What are the different parts of microscope and the function of each part?

Well there are many parts of a micoscope, there are three objective lenses one is low power lense the other ones are the medium power lense and the last one is a high power lense. Then you have the eye piece wich you can see cells with. Then there's a stage which holds the the samples of cells. Then there's a corse adjustment knob which moves the stage up and down the there's the fine adjustment knob which makes the cell sample more clear. Thats all I know for now look it up on google for the full thing

What the bottom part of the microscope?

1. Ocular Lens (Eyepiece) - where you look through to see the image of your specimen. Magnifies the specimen 10X actual size.

2. Body tube - the long tube that supports the eyepiece and connects it to the objectives.

3. Nosepiece - the rotating part of the microscope at the bottom of the body tube; it holds the objectives.

4. Objective Lenses - (low, medium, high). Depending on the microscope, you may have 2, 3 or more objectives attached to the nosepiece; they vary in length (the shortest is the lowest power

or magnification; the longest is the highest power or magnification).

5. Arm - part of the microscope that you carry the microscope with; connects the head and base of the microscope.

6. Coarse Adjustment Knob - large, round knob on the side of the microscope used for "rough" focusing of the specimen; it may

move either the stage or the upper part of the microscope. Location may vary depending on microscope - it may be on the

bottom of the arm or on the top.

7. Fine Adjustment Knob - small, round knob on the side of the microscope used to fine-tune the focus of your specimen after

using the coarse adjustment knob. As with the Coarse Adjustment Knob, location may vary depending on the microscope.

8. Stage - large, flat area under the objectives; it has a hole in it (see aperture) that allows light through; the specimen/slide is

placed on the stage for viewing.

9. Stage Clips - clips on top of the stage which hold the slide in place.

10. Aperture - the hole in the stage that concentrates light through the specimen for better viewing.

11. Diaphragm - controls the amount of light going through the aperture; may be adjusted.

12. Light or Mirror - source of light usually found near the base of the microscope; used to direct light upward through the

microscope. The light source makes the specimen easier to see.

What is the use of a nose piece in a microscope?

The nosepiece in a microscope holds multiple objective lenses, allowing you to easily switch between different magnifications without having to physically change the lenses. This feature enables you to quickly adjust the level of magnification while observing specimens under the microscope.

Is body tube and draw tube in a microscope are the same?

No, in a microscope, the body tube is the upper part that holds the eyepiece and connects it to the objective lenses, while the draw tube is the part that allows for adjusting the distance between the eyepiece and the objective lenses to focus the specimen.

What are the tiny organisms that you need a microscope to see?

Microorganisms, such as bacteria, viruses, and some types of fungi and protists, are tiny organisms that are typically invisible to the naked eye and require a microscope for viewing. These organisms play crucial roles in various ecosystems and can have both positive and negative effects on human health.

How do things appear under a microscope?

When looking through a microscope, objects appear larger because the lens system magnifies them. The microscope uses light to illuminate the object, allowing us to see intricate details that are not visible to the naked eye. Magnification and resolution of the microscope determine how clearly we can observe the object.

What is the process of using a microscope?

Turning it on, adjusting the slide you are examining into place, then adjusting the lightening, magnification, and position of the lens as desired. Then you look at the specimen through the eyepiece and most likely record your observation in one manner or another.

Why does the letter e look upside down under microscope?

When viewing the letter "e" under a microscope, the orientation appears upside down due to the way microscopes project a magnified image that is inverted. This optical phenomenon is a normal characteristic of microscopes and doesn't affect the physical orientation of the object itself.