![]() lecture notes OpenStax-online textbook Khan Academy-youtube lectures on virtually any. Thin film interference is the wave phenomenon that is responsible for the formation of (for example) regions of different color when white light is reflected from a thin film of oil floating on water. Sound wave, a longitudinal wave, is discussed in this lecture. Wave Optics Diffraction with Huygen's Principle. Thin-film interference is a natural phenomenon in which light waves reflected by the upper and lower boundaries of a thin film interfere with one another, either enhancing or reducing the reflected light. Single slit interference Light waves Physics Khan Academy Channels for Pearson+. The Michelson interferometer and the Mach–Zehnder interferometer are examples of amplitude-division systems. ![]() In an amplitude-division system, a beam splitter is used to divide the light into two beams travelling in different directions, which are then superimposed to produce the interference pattern. Interference can occur with only 1 slit, but this is known as diffraction instead. N must be converted to the number of lines per meter (multiply by 1000). Thin film interference is the wave phenomenon that is responsible for the formation of (for. Diffraction grating video explanation Grating spacing and number of lines per mm Equation for simple harmonic oscillators - Khan Academy. They produce optical spectra and contain a large number of parallel lines (slits). Video demonstrationĭiffraction gratings are the consequence of the effect on the interference pattern when the number of slits is increased. This causes the fringes to be narrower and their intensity being proportional to the square of the number of slits. The effect of modulation increases with the number of slits. Hardy's Paradox (optional) Multiple-slit interference Jump To diffraction grating 124 light waves 124 physics 124 khan academy preview 1 Video Parts Jump To diffraction grating 124 light waves 124 physics 124. Young's double slit introduction - Khan Academyĭouble & Single Slit Experiments and Diffraction Gratings ![]() The double-slit interference pattern is a superposition of the relative intensity without diffraction for a double-slit and the variation of intensity relative to angle of a single-slit.
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