Items that use the principle of light reflection include: periscopes, car reflectors, solar water heaters, plane mirrors, convex mirrors, bicycle taillights, projections, kaleidoscopes, etc., doctors' forehead mirrors, laser reflectors, reflective Astronomical telescope, etc.
1. Mirror: Mirror is made using the principle of reflection. It can reflect light and produce images, allowing people to see their own image or the image of other objects. Glasses: Glasses use lenses to reflect light and focus it on the retina to help people improve their vision.
2. Telescope: A telescope is a device used to observe distant objects. It focuses light on the eyepiece through a series of reflective lenses, allowing people to see farther objects. Microscope: A microscope is a device used to observe small objects. It magnifies and presents the object on the eyepiece by reflecting and refracting light, allowing people to see finer details.
3. Total reflection prism: A total reflection prism is a prism made using the principle of total reflection of light. It can spread light from one medium to another while keeping the direction of the light consistent. Change. This kind of prism is widely used in optical instruments, measuring instruments and other fields.
Relevant knowledge about the principle of light radiation is as follows:
1. The principle of light radiation refers to the use of high-energy rays (such as X-rays, γ-rays, etc.) to irradiate substances so that the Atoms or molecules undergo ionization, excitation or transition, thereby producing photons with specific wavelengths and energies, realizing the interaction between matter and photons. The principle of light radiation has extensive application value in scientific research, industrial applications, medical diagnosis and other fields.
2. In the field of medical diagnosis, the principle of light radiation is widely used in imaging examinations, such as X-ray, CT, MRI, etc. By irradiating the human body with different types of light, morphological information about the internal structures and organs of the human body can be obtained, providing an important basis for the diagnosis and treatment of diseases.
3. In addition, in the field of industrial applications, the principle of light emission is also widely used in material processing, food processing, pharmaceutical and other fields. The microstructure and properties of materials can be changed through radiation irradiation, and the modification and optimization of materials can be achieved. At the same time, rays can also be used to disinfect and preserve food and medicine, improving the quality and safety of products.