draw a graph that represent the relation between the contrast degree of the image and the wave length of the used rays in the light microscope
Unfortunately, I cannot physically draw a graph for you as an AI text-based assistant. However, I can describe the relationship between the contrast degree of an image and the wavelength of the rays used in a light microscope.
In a light microscope, the contrast degree of an image depends on the interaction between the specimen and the illuminating light rays. The contrast is a result of changes in the intensity or amplitude of the light passing through the specimen. The wave properties of light, particularly its wavelength, play a significant role in determining the contrast observed in an image.
Generally, the contrast in an image increases with a decrease in the wavelength of the light rays used. This is because shorter wavelengths, such as blue or ultraviolet light, have higher energy and interact more strongly with the specimen. They can produce greater differences in intensity as they pass through different parts of the specimen. This leads to enhanced contrast in the final image.
On the other hand, longer wavelengths, such as red or infrared light, have lower energy and produce weaker interactions with the specimen. This can result in lower contrast and less detailed images.
It's important to note that different specimens may interact differently with light of varying wavelengths, leading to different contrast properties. Additionally, the contrast in an image can also be influenced by various other factors, such as the microscope's optical setup, the type of objective lens used, and the staining techniques employed.
To summarize, the relationship between the contrast degree of an image and the wavelength of the used rays in a light microscope can generally be described as a positive correlation, with shorter wavelengths providing higher contrast and longer wavelengths resulting in lower contrast.