Related Terms of Lenses Before discussing lens and their properties and application, one should be familiar with these terms. Refractive Index Refractive index is a ratio of the speed of light when it passes through the vacuum to its values when it passes through a specific medium. where c is

The human brain and the human eye cooperatively translate light into color. Light receptors are present in the eye, which transmits the messages to the brain. These light receptors are present within the human eye to produce the confidential sensation of colors. Newton perceives that color is not inherent in

About Sir Isaac Newton Sir Isaac Newton was an English mathematician and one of the most recognized and influential scientists in history. Newton is famous for providing laws of motion and gravity amongst his numerous works. He provided three laws of motion which are described independently below with a description.