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Q: When a wave moves throgh an opening in a barrier?
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Diffraction occurs when waves around the edge of a barrier?

Diffraction is phenomena that occurs when a wave encounters an obstacle. This happens when a wave reaches an obstacle that is comparable in size to it.


A wave barrier is produced when a wave source moves?

faster than the wave it produces


The bending of a wave around a barrier or an opening?

diffraction


What determines how much a wave diffracts when it encounters an opening or a barrier?

wavelength


What happens when a wave passes a barrier or moves through a hole in a barrier?

it bends and spreads out


What opening will cause the greatest amount of diffraction?

when the barrier or opening is the same size or smaller than the wave length. you're welcome!


How does the size of a barrier or opening affect the amount of diffraction of a wave?

Huygen's Principle tells us that, at each point that a propagating wave reaches, a spherical wave emanates outwards from that point. When we're looking at a plane wave propagating (without a collision), the spherical emanations from each point on the wave front cancel out in all but the forward propagation direction, which is why a plane wave continues to travel as a plane wave. When a wave strikes a barrier with a tiny opening in it, on the other side of the opening you can expect to see waves propagating outward radially from the opening. When the opening is wider, the spherical waves coming from the points towards the center of the opening nearly cancel out, but at the edges of the opening there isn't anything to cancel out with, so if you're not in line with the opening (as in, if you look at the nearest point in the opening, your line of sight is not perpendicular to the original wavefront), you will see the wavefront coming radially from the opening edge nearest you. The closer you are (angularly) to being in front of the opening, the more plane-like the wave will be. It is because of this same diffraction that we see an interference pattern when there are two small openings in the barrier. In this case, the radial waves will constructively and destructively interfere at different points beyond the barrier.


When a light wave bends around a barrier or the edge of an opening the resulting waves can?

interfere with each other


When a wave moves through an opening in a barrier its?

Bends and spreads out.When waves of any kind, sound, light electromagnetic radiation hit a gap in a barrier that is on the same scale as the wavelength then diffraction will occur. Diffraction is the bending of the wave and this appears as circular waves when we observe this effect with water.A common diffraction grating can be seen on a CD or DVD. The light spreads and we see this as different colours.


What is a wave that strikes a barrier called?

its called a reflected wave because just like a reflection the wave bounces back of the barrier


The bending of a wave as it passes an edge or an opening is called?

Diffraction. Bending of light/sound as it moves from one medium to another - Refraction.


Does a sonic boom is due to shock wave that is produced when the sound barrier is broken?

Yes when something moves fatser than the speed of sound (or breaks the sound barrier) it makes a shock wave which unleashes an enormous amount of energy which comes in the form of a sonic boom. Hope this helps! :D