Αποτελέσματα Αναζήτησης
28 Δεκ 2020 · Diffraction is the bending of waves around obstacles or corners. It happens to light waves, sound waves and water waves. This bending often causes waves to interfere with themselves, creating diffraction patterns. Diffraction also limits the resolution of anything using an aperture, like cameras.
The most striking examples of diffraction are those that involve light; for example, the closely spaced tracks on a CD or DVD act as a diffraction grating to form the familiar rainbow pattern seen when looking at a disc.
Huygens’s Principle. Figure 1 shows a simple example of the Huygens’s Principle of diffraction. The principle can be shown with the equation below: s = vt (26.2.1) (26.2.1) s = v t. where s is the distance, v is the propagation speed, and t is time. Each point on the wavefront emits a wave at speed, v.
The spreading and bending of sound and ocean waves are two examples of diffraction, which is the bending of a wave around the edges of an opening or an obstacle—a phenomenon exhibited by all types of waves.
17 Νοε 2022 · An example of diffraction is seen in the atmosphere. Diffracted light bends around atmospheric particles like tiny water droplets that are present in clouds producing light and dark fringes or colored bands. The diffraction of sunlight by clouds is a common phenomenon referred to as a silver lining.
11 Οκτ 2024 · diffraction, the spreading of waves around obstacles. Diffraction takes place with sound; with electromagnetic radiation, such as light, X-rays, and gamma rays; and with very small moving particles such as atoms, neutrons, and electrons, which show wavelike properties.
Such objects have actually been made and are in common use—they are called diffraction gratings. In one of its forms, a diffraction grating consists of nothing but a plane glass sheet, transparent and colorless, with scratches on it.
