Recent content by darkmamon

so... from what i read in your link,It looks like the frequency is irrelevant from the sound energy. That means the sound will have the same frequency if it loses the energy? but Why that graph happen in 500 Hz?. It's like there's a 2 kind of node in it . The graph should look like 1000 Hz graph?

I'm a high school student doing the project about sound absorbing material When the sound is absorbed or loses its energy which of its value will change? pressure? wavelength? or frequency? (at first I though that the sound wave will just lose its amplitude but after the result,It look like its...