Respuesta :
Answer:
speed is affected by the medium in wich the wave travels.
Explanation:
The speed of a wave is affected when traveling in different medium, depending on the medium in which the wave travels it can go faster or slower, or not even be able to travel in that medium.
For light waves, the denser the medium through which the wave travels, the slower it will go through it, as there is more resistance to the light particles.
And in waves like sound, which instead of particles is a vibration or disturbance in the medium, they travel faster in denser mediums such as metal, because the disturbance is transmitted more efficiently thanks to how close together that the particles are in the metal, This is why sound does not travel in a vacuum; there are not even particles to transmit the vibration.
Electromagnetic waves are affected by the refractive index of the material, mechanical waves are affected by the density (and other physical properties).
How is wave movement affected by the medium?
For electromagnetic waves, there are mediums that change the velocity at which the wave can move through them, and this change is defined by the refractive index.
Also, light always takes the shorter path (fastest way) from point A to point B, and these changes in velocity imply that if there is a change of medium between A and B, then the light will not take a straight path from A to B, instead, it will travel more in the medium with the smaller refractive index.
For mechanical waves like sound, the density (and other physical properties) of the material is what affects them. More dense materials absorb the waves (particularly the ones with shorter wavelengths are more absorbed).
This is why when you are outside of a club you only hear the lows, and when you enter you can hear the full spectrum. This is because the walls (a medium) absorb the waves.
If you want to learn more about waves, you can read:
https://brainly.com/question/14015797
