The diffraction is most pronounced when the gap is a similar size to the wavelength. What happens to the wave when it passes through a gap which is a similar size to the wavelength Lots of spreading What is diffraction The process of a wave spreading out when passing through a gap/slit in a barrier. When light enters a more dense material it slows down and bends towards the normal line In what circumstance does refraction not occur If the wave crosses the boundary of the 2 mediums at 90 degrees ( the normal), then it doesn't bend.
V= λ x f What does the law of reflection state about the angle of incidence and reflection The angle of incidence = the angle of reflection What is refraction Refraction is the bending of light. Time period The time taken for one complete cycle of the wave Wavelength (λ) The distance between two similar displacements Frequency (f) The number of complete cycles per second What is the unit of frequency The Hertz (Hz)ġ cycle per second = 1 Hertz Wave speed (v) How far a wave travels in a certain amount of time What is the equation linking wave speed, frequency and wavelength Wavespeed = wavelength x frequency
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