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Because the smallest wavelength of visible light we can see is around 400 nm. Something 200 nm would need an electron microscope to be seen.

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What is Specimen Orientation on a microscope?

Specimen orientation on a microscope refers to the position and alignment of the specimen on the microscope stage. Correct orientation is important to ensure that the desired area of the specimen is visible and in focus under the microscope objective lens. Properly orienting the specimen allows for accurate observation and analysis of its features.


What is the amount of specimen you are able to see on a microscope called?

The amount of specimen visible on a microscope is referred to as the field of view. This refers to the diameter of the circular area that is visible when looking through the microscope. The field of view may vary depending on the magnification level of the microscope lens.


What produces an image of a specimen by passing visible light through it?

A light microscope produces an image of a specimen by passing visible light through it. This light passes through the specimen, is refracted and magnified by the lenses in the microscope, and then projected to create a magnified image that can be viewed through the eyepiece or captured using a camera.


How did the specimen appear under the microscope?

The specimen appeared as a collection of individual cells or particles, which were visible at a very high magnification. The color, shape, and arrangement of the specimen's components could be observed in detail under the microscope.


What is the field of a microscope?

The field of a microscope refers to the area of the specimen or sample that is visible through the eyepiece or camera. It represents the extent of the specimen that can be observed at one time under the microscope's magnification. A larger field of view allows more of the sample to be seen at once, while a smaller field offers higher magnification but limits the visible area.


Which kind of microscope magnifies specimen to produce the virtual image of the specimen?

A virtual image of a specimen is produced by an optical microscope, which magnifies the specimen using lenses to create an enlarged view that is visible to the human eye. This type of microscope does not require direct contact between the specimen and the lens, hence producing a virtual image.


What is the chemical that sometimes is used to make the specimen visible on a microscope?

An example is methylene blue.


What does field of view mean of a microscope?

Field of view refers to the diameter of the area visible when looking through a microscope. It is determined by the microscope's objective lens and eyepiece combination. A larger field of view allows for more of the specimen to be seen at once, while a smaller field of view provides higher magnification but less visible area.


What illuminates a specimen in a microscope?

Light source located beneath the specimen illuminates it in a microscope. This light passes through the specimen, highlighting its details and making it visible to the viewer through the eyepiece. Adjusting the intensity and angle of the light source can help enhance the image quality and clarity of the specimen.


How does the electrons microscope work?

An electron microscope uses a beam of electrons to illuminate the specimen, creating an image with higher resolution and magnification than a light microscope. The electron beam interacts with the specimen, producing signals that are used to generate a detailed image of the sample's surface or internal structure. Electrons have shorter wavelengths than visible light, enabling electron microscopes to visualize objects at a much smaller scale.


What does the high lens of a microscope only use?

The high power lens of a microscope is used to magnify the image of the specimen to show details that are not visible with lower magnification. It is typically used to observe finer structures and smaller details of the specimen.


How would you distinguish between the light microscope and the electron microscope?

A light microscope uses visible light to magnify the specimen, allowing for observation of living cells and tissues. In contrast, an electron microscope uses a beam of electrons to achieve higher resolution and magnification, enabling visualization of smaller structures such as viruses and molecules.