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The part of the eye that controls the amount of light entering the eye is the iris. The iris adjusts the size of the pupil, regulating the light that reaches the retina, thereby ensuring optimal lighting conditions for vision in ...
The process of separation of white light into its different colors is called dispersion. This phenomenon occurs when light passes through a medium, such as a prism, causing different wavelengths (colors) of light to refract at different angles and spread ...
The photoelectric effect was proposed by Einstein. Albert Einstein, in 1905, explained the phenomenon where photons of light eject electrons from a material’s surface. This theory helped establish the concept of quantized energy of light and the particle-like nature of ...
Cryogenic testing is conducted at extremely low temperatures, typically around -196 °C. These temperatures are necessary for handling and testing materials and equipment that are intended for use in cryogenic applications, such as rocket engines, superconductors, and other low-temperature technologies.