Question

25. Why do a violin and flute sound different even if they play the same note?

26. A specific liquid has a bulk modulus of 2.0 GPa and a specific gravity of 1.26. What is the speed of sound in this liquid? 1

27. Outside, you hear a noise with a power of 3.45 x 10 -4 W/m 2 . What is this value in decibels as referenced to the threshold of hearing?

I don't understand these​

Answer 1

25. The reason the same musical note sounds different when played on various instruments is because the harmonic overtones and envelope of each instrument is unique. When a frequency is played, other frequencies, called harmonics, are created. Each instrument has a unique harmonic character.

26.

27.