1/16/2023 0 Comments Refraction and diffraction![]() ![]() The only options that are not ruled out are that diffraction is the change in the direction of a wave that passes close to an object. This means that a change in the wavelength of a light wave is not part of a correct definition of diffraction. ![]() Light can diffract while traveling in a medium with a constant refractive index. The wavelength of a light wave of a given frequency depends on the refractive index of the medium in which the light travels. This means that a change in the speed of a light wave is not part of a correct definition of diffraction. The speed at which a light wave moves depends on the refractive index of the medium in which the light travels. This means that the density of the medium in which a wave moves is not part of a correct definition of diffraction. Light waves changing direction when passing through an aperture is an example of diffraction.ĭiffraction will occur if the medium that the wave travels in on either side of the aperture and within the aperture is the same.
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