Other examples of diffraction include lights through a shadow of an object and the bending of light at the corners of the door.Also, when sunlight passes through trees, they are diffracted because trees are obstacles in the path of sunlight. The sun appears red because light gets diffracted in the presence of dust particles in the atmosphere. The appearance of the sun during sunrise and sunset is due to diffraction.By using two different waves of light, a standing wave is created and photographed, resulting in a hologram. This standing wave, which remains still, can be photographed. When two propagating waves cross each other’s path, they create a standing wave. Hologram projection is also an example of diffraction. These pits have the same width and are equally spaced in a row, forming a diffraction grating on the CD mirror surface. Recorded data on CD is stored in tiny pits of different lengths, which carry the information.
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