Microscopes

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To magnify something by 400x, you would need to use a microscope or other optical device that is capable of enlarging an object 400 times its original size. This means the object would appear 400 times larger when viewed through the lens of the microscope.

It depends on the microscope. Standard:10x, 40x, 400x.

yes

light microscope

A microscope that uses electrons instead of photons to enhance soon and resolution.

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After leaving the condenser in a compound light microscope, the light passes through the specimen on the slide. The light is then refracted and magnified by the objective lens, and further magnified by the eyepiece before reaching the eye of the observer.

I have always had the longest objective in position (pointing down), then lowered the lens to what I thought would be close to a good focus. This way, you can rotate the turret to the shorter lenses, and be assured that the lens body will not strike the stage or slide.

This is done through the law of reflection and of course magnification. light is passed through the specimen and through the objective lenses. each objective lenses have different degrees of magnification powers. they have 10x, 40x, and oil immersion lens which has magnification up to 100x. the image is then passed through the eye piece and which also has another set of lens which further enhance the image with a magnification up to 10x and finally we view the magnified object.

Yes, a microscope uses lenses to magnify and make objects appear larger than they actually are. This allows for detailed examination of small structures that are not visible to the naked eye.

The scanning tunneling microscope allowed scientists to visualize and manipulate individual atoms on a surface for the first time. This breakthrough enabled researchers to study atomic structures with unprecedented detail, leading to advancements in nanotechnology and materials science.

Anton Van Leeuwenhoek is considered the father of microscopy because of the advances he made in microscope design and use.

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A gynecological speculum is a medical instrument used during a pelvic examination to visually inspect the vagina and cervix. It holds the vaginal walls apart to allow the healthcare provider to see any abnormalities or perform procedures such as Pap smears or collecting samples for testing.

compound and light microscopes are used in some labs compound uses a mirror to reflect and a light gives a light source to it

The advantages are:

(a) Basic identification of the materials was first performed by light microscopy and gross analysis. This provides a large base of published information against which to check analysis and analytical technique.

(b) The analysis is specific to fibers. The minerals present can exist in asbestiform, fibrous, prismatic, or massive varieties all at the same time. Therefore, bulk methods of analysis such as X-ray diffraction, IR analysis, DTA, etc. are inappropriate where the material is not known to be fibrous.

(c) The analysis is quick, requires little preparation time, and can be performed on-site if a suitably equipped microscope is available.

The disadvantages are:

(a) Even using phase-polar illumination, not all the fibers present may be seen. This is a problem for very low asbestos concentrations where agglomerations or large bundles of fibers may not be present to allow identification by inference.

(b) The method requires a great degree of sophistication on the part of the microscopist. An analyst is only as useful as his mental catalog of images. Therefore, a microscopist's accuracy is enhanced by experience. The mineralogical training of the analyst is very important. It is the basis on which subjective decisions are made.

(c) The method uses only a tiny amount of material for analysis. This may lead to sampling bias and false results (high or low). This is especially true if the sample is severely inhomogeneous.

(d) Fibers may be bound in a matrix and not distinguishable as fibers so identification cannot be made.

*NOTE:Source taken from http://www.osha.gov

Cells from the same organism may look different under a microscope due to variations in their development, function, and stage of the cell cycle. Different cell types within the same organism have distinct structures and functions, which can result in varied appearances when viewed under a microscope. Additionally, factors like cell maturity, health, and exposure to different environments can also contribute to differences in cell appearance.

Staining a specimen allows you to better see what exactly is under the microscope. It helps to separate the specimen and the slide underneath or on top. Another way to think of this is like is it easier to see white sprinkles on white frosting, or blue sprinkles? Blue, of course! It's just easier to see.

No, amoebas are not visible to the naked eye as they are microscopic organisms.

Under a microscope, woven fabric will appear as a structured pattern of interlaced fibers. You will be able to see the individual threads crossing over and under each other to create the fabric. The weave pattern will determine the appearance and texture of the fabric when viewed closely.

An electron microscope requires that the subject be dead to function. In order to receive a picture, the specimen must be coated in chemicals and put into a vacuum, a process which will kill any living specimen. A light microscope, although not as detailed, will allow the scientist to observe living specimens.

Microscopes allow you to see substances in a closer up view. Microscopes help with discovering whats inside a small substance, such as a cell. If science did not have microscopes, we wouldn't know the basic function of a cell.

Under a microscope, the endoplasmic reticulum (ER) with ribosomes appears as a rough, grainy appearance due to the presence of ribosomes on its surface. This rough appearance distinguishes it from smooth ER, which lacks ribosomes. The ribosomes on the rough ER are involved in protein synthesis, giving the ER its characteristic appearance.

they are small insect that you cant see. they are small insect that you cant see.