See your GP if you have: 1  persistent or worrying symptoms that could be caused by haemochromatosis â particularly if you have a northern European family background. 2  a parent or sibling with haemochromatosis, even if you don't have symptoms yourself â tests can be done to check if you're at risk of developing problems.
The reflection of light can be roughly categorized into two types of reflection: specular reflection is defined as light reflected from a smooth surface at a definite angle, and diffuse reflection, which is produced by rough surfaces that tend to reflect light in all directions (as illustrated in Figure 1).
Specular, or mirrorlike, reflection is the kind that produces visible images. Diffuse reflection is the kind that does not produce visible images. Tell the difference between specular and diffuse reflection. Relative to the wavelength of visible light, the surface of paper is like a terrain of hills and valleys. Because light is reflected from these hills and valleys in many different directions, the reflected is diffuse, or scattered.