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Light is a type of electromagnetic radiation that can be detected by the eye. It travels as a transverse wave.
Apr 24, 2017 · Light always takes the shortest path between a source and destination. A line drawn from the source to the destination, perpendicular to the wave-fronts, is called a ray. Far from the source, spherical wave fronts degenerate into a series of parallel lines moving in the direction of the ray.
Light is both a ray and a wave. RAY. Light ray is defined as the path along which light travels. Hence, a ray is geometrical concept. WAVE. In case of light wave mutually perpendicular electric and magnetic field vectors are oscillating , that is they are changing with space and time as such disturbance advances in the direction perpendicular ...
Experiments show that when light interacts with an object several times larger than its wavelength, it travels in straight lines and acts like a ray. Its wave characteristics are not pronounced in such situations.
In all of these cases, light is modeled as traveling in straight lines called rays. Light may change direction when it encounters objects (such as a mirror) or in passing from one material to another (such as in passing from air to glass), but it then continues in a straight line or as a ray.
Experiments, as well as our own experiences, show that when light interacts with objects several times as large as its wavelength, it travels in straight lines and acts like a ray. Its wave characteristics are not pronounced in such situations.
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Ray diagrams are used to show the path that light takes. The rays of light are represented using straight lines, with an arrowhead to show the direction the light is travelling.
