JoJoQuinoa said:I'm studying particle counters and one of the detection methods uses reflected light to determine the sizes of the particles. What principle does it base on?
Thanks!
Light reflection is the process by which light bounces off a surface and changes direction. It is a fundamental property of light and is responsible for our ability to see objects.
The size of particles in a material can affect the way it reflects light. Smaller particles tend to scatter light more, resulting in a matte or diffused reflection. Larger particles, on the other hand, tend to reflect light more directly, resulting in a shinier or more mirror-like reflection.
The color of reflected light is determined by the wavelength of light that is being reflected. As particle size changes, the way light is scattered and reflected also changes, which can result in a change in the perceived color of the reflected light.
The way light is reflected off of an object is what determines its appearance. The size and type of particles present in the object can affect how light is reflected, resulting in different levels of shine or opacity.
Yes, light reflection and particle size can be manipulated for various practical purposes. For example, in the cosmetic industry, particle size is often controlled to achieve a desired level of shine or matte finish. In materials science, the manipulation of particle size can also affect the reflective properties of a material, making it useful for applications such as solar panels or reflective coatings.