The light waves interfere with each other and this creates a pattern of light and dark bands on the screen. In Young’s Double Slit Experiment, two slits are cut into a screen and the light shines through both slits. This causes the light to disperse into different colours. When rainbows form, sunlight diffracts through water droplets and the light waves bend around the edges of the water droplets. An example of interference is Young’s Double Slit Experiment. Examples: An example of diffraction is the Rainbow.The effect of interference is that it creates a new wave. Effect: The effect of diffraction is that it disperses light into different colours.Interference occurs when two waves interact with each other. When it occurs: Diffraction occurs when light waves bend around objects in their path.Meaning: The difference between diffraction and interference is that diffraction is the bending of waves around an obstacle while interference is the superposition of two or more waves.Difference Between Diffraction And Interference This creates a pattern of light and dark bands on the screen. The light shines through both slits, and the light waves interfere with each other. In this experiment, two slits are cut into a screen. This is what causes the reflections that you see on a CD or DVD.Īn example of interference is Young’s Double Slit Experiment. When light shines on a CD or DVD, the light waves diffract off the surface of the disc. CDs and DVDs are coated with a thin layer of metal. The light waves bend around the edges of the water droplets, and this causes the light to disperse into different colours.Īnother example of diffraction is a CD or DVD. Rainbows are created when sunlight diffracts through water droplets. One of the most famous examples of diffraction is the Rainbow. If we look at the explanation, constructive interference takes place when the two waves have the same amplitude, and destructive interference happens when the two waves have opposite amplitudes. Interference can be of two types: constructive or destructive. This new wave is the sum of the amplitudes of the two original waves. When two waves interfere with each other, they create a new wave. Interference is the superposition of two or more waves. The light waves bend around the edges of the slit, and this causes the light to disperse into several different colours. This is why you can see light shining through a narrow slit in a dark room. When light waves diffract, they bend around objects in their path. What Is Diffraction?ĭiffraction is the bending of waves around an obstacle. But what is diffraction, and how does it differ from interference? In this article, we will discuss the differences between diffraction and interference, and provide examples of each phenomenon. This is because light passing through the slit is diffracted into several different colours. When you see light shining through a thin slit in a dark room, it often looks like there are several beams of light coming from the slit.
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