Hello dear all readers,
Welcome to this concept, so here in this concept you come to know about the main characteristics of the wave normal in easy and simple way.
So let's come to our topic,
i) The wave normal gives the direction of propagation of wave.
Let's take an one example, the medium through which wave is propagated, for an example 'air' so the wave is move in the direction of air simply.
Actually medium or we can say channel gives the direction for propagation of wave.
So it means that, the wave normal work according to the medium through which is allow to propagate.
ii) The wave normal is perpendicular to the wavefront.
Explanation : As you can see in the given image, the wave normal is perpendicular to the wavefront.
It means that, the wave normal make an angle with wavefront is 90° Degree.
iii) In a homogeneous isotropic medium, the wave normal is same as direction of ray of light.
Explanation : In a homogeneous isotropic medium or channel, the wave normal is same as direction of light.
It means that , First of all we have to know that, what is homogeneous ?
Homogeneous : Homogeneous is a uniform structure.
Isotropic material : The isotropic material whose properties remains same when tested in different different directions.
When we allow to propagate wave normal in the Homogeneous isotropic medium then the direction of the wave normal is in the direction of ray of light.
iv) Wave normal is drawn from the point of generation of wavefront.
Explanation : Actually the wave normal is start from the point where wavefront is generated.
So we hope you understand this concept very simply and easily.
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