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Why is one side of the mirror flat and the other side curved in a microscope?
The flat side of the mirror in a microscope is used to reflect light onto the specimen being observed. This flat mirror allows for even illumination of the specimen. The curved side of the mirror is concave and is used to focus the light onto the specimen, enhancing the clarity and resolution of the image. This combination of a flat and curved mirror optimizes the lighting and imaging capabilities of the microscope.
What instrument makes thing look bigger?
You could use a microscope to vastly magnify a microscopic specimen, or you could use a magnifying glass to make writing or other things that you are able to faintly see with the naked eye, or if your sight is slightly impaired you can wear glasses to enlarge small things you have difficulty seeing.
What is the value of a 1994 Kennedy half dollar?
All circulating half dollars dated 1971 and later are made of copper-nickel, not silver, and are only worth face value. Feel free to spend it. If your coin is uncirculated it might sell anywhere from $1 to $20 as of 02/2010 depending on its quality. A clad proof specimen would be in the $5-$14 range, while a silver proof would be $18-$30.
What is the ideal critical diameter and can it be determined with a jominy test?
The Jominy Test involves heating a test piece from the steel (25mm diameter and 100mm long) to an austenitising temperature and quenching from one end with a controlled and standardised jet of water. Take a sample from the furnace and place it on the Jominy test fixtures and observe the cooling pattern. After quenching the hardness profile is measured at intervals from the quenched end after the surface has been ground back to remove any effects of decarburisation (0.38mm is removed from the surface). The hardness variation along the test surface is a result of microstructural variation which arises since the cooling rate decreases with distance from the quenched end. The cooling rate along the Jominy test specimen varies from about 225 °C s-1 to 2 °C s-1.
Microscope objective lenses?
Microscope objective lenses are the lenses located close to the specimen in a compound light microscope. They magnify the image of the specimen and transmit it to the eyepiece for viewing. Objective lenses come in various magnifications, such as 4x, 10x, 40x, and 100x, which allows for different levels of magnification and detail in the specimen being observed.
What would be the magnification of a specimen viewed with a compound light microscope that has an objective power of 40x and an ocular lens power of 10x?
400x
How is Specimen magnification figured out on a microscope?
Specimen magnification on a microscope is calculated by multiplying the magnification of the eyepiece by the magnification of the objective lens. For example, if the eyepiece magnifies 10 times and the objective lens magnifies 40 times, the total magnification would be 10 x 40 = 400 times.
How is the total magnification of a microscope determined?
Total magnification is determined by multiplying the magnification of the ocular lens by that of the objective lens. Compound microscope that uses more than one lens to direct light through a specimen mounted on a glass slide.
What structure on a microscope allows the greatest magnification?
The objective lens is the part of a microscope that allows for the greatest magnification. It is located at the bottom of the microscope and is responsible for gathering light and magnifying the image of the specimen. By using different objective lenses with varying magnification powers, the total magnification of the microscope can be increased.
What are the magnifying parts of a compound microscope and their functions?
The magnifying parts of a compound microscope are the objective lens and the ocular lens. The objective lens is located near the specimen and provides the initial magnification, while the ocular lens further magnifies the image for viewing. Together, these lenses work to increase the overall magnification power of the microscope.
What is a microscope with more than one lenses?
A microscope with more than one lens is called a compound microscope. It typically consists of an objective lens near the specimen and an eyepiece lens for magnification. The combination of lenses allows for higher magnification and resolution compared to a simple microscope with only one lens.
How does magnification affect working distance microscope?
Increasing the magnification of a microscope typically decreases the working distance, or the distance between the objective lens and the specimen. Higher magnification requires the objective lens to be closer to the specimen to achieve focus, reducing the working distance. Similarly, lower magnification allows for a greater working distance between the lens and the specimen.
What is the function of the lower objective on a microscope?
The lower objective on a microscope helps to provide initial magnification of the specimen. It typically has a lower magnification power compared to the higher objectives. This objective is usually used for scanning the specimen and locating areas of interest before moving to higher magnifications.
Refers to the power of a microscope calculated by multiplying the power on the objective by the power on the eyepiece?
Total magnification is the term used to describe the magnifying power of a microscope, which is calculated by multiplying the magnification of the objective lens by the magnification of the eyepiece. This formula helps in determining the overall magnification of the specimen being viewed under the microscope.
What on the microscope allows you to switch magnification?
The objective lens turret or revolving nosepiece allows you to switch magnification on a microscope. By rotating the turret, different objective lenses with varying magnification powers can be brought into position to view the specimen at different levels of magnification.
Does a compound microscope have only one lens?
No, a compound microscope uses multiple lenses to magnify the image of a specimen. It typically has an objective lens close to the specimen and an eyepiece lens near the observer's eye. These lenses work together to provide high magnification and resolution.
